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1 /* Prototype JavaScript framework, version 1.7.1 2 * (c) 2005-2010 Sam Stephenson 3 * 4 * Prototype is freely distributable under the terms of an MIT-style license. 5 * For details, see the Prototype web site: http://www.prototypejs.org/ 6 * 7 *--------------------------------------------------------------------------*/ 8 9 var Prototype = { 10 11 Version: '1.7.1', 12 13 Browser: (function(){ 14 var ua = navigator.userAgent; 15 var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]'; 16 return { 17 IE: !!window.attachEvent && !isOpera, 18 Opera: isOpera, 19 WebKit: ua.indexOf('AppleWebKit/') > -1, 20 Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1, 21 MobileSafari: /Apple.*Mobile/.test(ua) 22 } 23 })(), 24 25 BrowserFeatures: { 26 XPath: !!document.evaluate, 27 28 SelectorsAPI: !!document.querySelector, 29 30 ElementExtensions: (function() { 31 var constructor = window.Element || window.HTMLElement; 32 return !!(constructor && constructor.prototype); 33 })(), 34 SpecificElementExtensions: (function() { 35 if (typeof window.HTMLDivElement !== 'undefined') 36 return true; 37 38 var div = document.createElement('div'), 39 form = document.createElement('form'), 40 isSupported = false; 41 42 if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) { 43 isSupported = true; 44 } 45 46 div = form = null; 47 48 return isSupported; 49 })() 50 }, 51 52 ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script\\s*>', 53 JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, 54 55 emptyFunction: function() { }, 56 57 K: function(x) { return x } 58 }; 59 60 if (Prototype.Browser.MobileSafari) 61 Prototype.BrowserFeatures.SpecificElementExtensions = false; 62 /* Based on Alex Arnell's inheritance implementation. */ 63 64 var Class = (function() { 65 66 var IS_DONTENUM_BUGGY = (function(){ 67 for (var p in { toString: 1 }) { 68 if (p === 'toString') return false; 69 } 70 return true; 71 })(); 72 73 function subclass() {}; 74 function create() { 75 var parent = null, properties = $A(arguments); 76 if (Object.isFunction(properties[0])) 77 parent = properties.shift(); 78 79 function klass() { 80 this.initialize.apply(this, arguments); 81 } 82 83 Object.extend(klass, Class.Methods); 84 klass.superclass = parent; 85 klass.subclasses = []; 86 87 if (parent) { 88 subclass.prototype = parent.prototype; 89 klass.prototype = new subclass; 90 parent.subclasses.push(klass); 91 } 92 93 for (var i = 0, length = properties.length; i < length; i++) 94 klass.addMethods(properties[i]); 95 96 if (!klass.prototype.initialize) 97 klass.prototype.initialize = Prototype.emptyFunction; 98 99 klass.prototype.constructor = klass; 100 return klass; 101 } 102 103 function addMethods(source) { 104 var ancestor = this.superclass && this.superclass.prototype, 105 properties = Object.keys(source); 106 107 if (IS_DONTENUM_BUGGY) { 108 if (source.toString != Object.prototype.toString) 109 properties.push("toString"); 110 if (source.valueOf != Object.prototype.valueOf) 111 properties.push("valueOf"); 112 } 113 114 for (var i = 0, length = properties.length; i < length; i++) { 115 var property = properties[i], value = source[property]; 116 if (ancestor && Object.isFunction(value) && 117 value.argumentNames()[0] == "$super") { 118 var method = value; 119 value = (function(m) { 120 return function() { return ancestor[m].apply(this, arguments); }; 121 })(property).wrap(method); 122 123 value.valueOf = (function(method) { 124 return function() { return method.valueOf.call(method); }; 125 })(method); 126 127 value.toString = (function(method) { 128 return function() { return method.toString.call(method); }; 129 })(method); 130 } 131 this.prototype[property] = value; 132 } 133 134 return this; 135 } 136 137 return { 138 create: create, 139 Methods: { 140 addMethods: addMethods 141 } 142 }; 143 })(); 144 (function() { 145 146 var _toString = Object.prototype.toString, 147 _hasOwnProperty = Object.prototype.hasOwnProperty, 148 NULL_TYPE = 'Null', 149 UNDEFINED_TYPE = 'Undefined', 150 BOOLEAN_TYPE = 'Boolean', 151 NUMBER_TYPE = 'Number', 152 STRING_TYPE = 'String', 153 OBJECT_TYPE = 'Object', 154 FUNCTION_CLASS = '[object Function]', 155 BOOLEAN_CLASS = '[object Boolean]', 156 NUMBER_CLASS = '[object Number]', 157 STRING_CLASS = '[object String]', 158 ARRAY_CLASS = '[object Array]', 159 DATE_CLASS = '[object Date]', 160 NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON && 161 typeof JSON.stringify === 'function' && 162 JSON.stringify(0) === '0' && 163 typeof JSON.stringify(Prototype.K) === 'undefined'; 164 165 166 167 var DONT_ENUMS = ['toString', 'toLocaleString', 'valueOf', 168 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'constructor']; 169 170 var IS_DONTENUM_BUGGY = (function(){ 171 for (var p in { toString: 1 }) { 172 if (p === 'toString') return false; 173 } 174 return true; 175 })(); 176 177 function Type(o) { 178 switch(o) { 179 case null: return NULL_TYPE; 180 case (void 0): return UNDEFINED_TYPE; 181 } 182 var type = typeof o; 183 switch(type) { 184 case 'boolean': return BOOLEAN_TYPE; 185 case 'number': return NUMBER_TYPE; 186 case 'string': return STRING_TYPE; 187 } 188 return OBJECT_TYPE; 189 } 190 191 function extend(destination, source) { 192 for (var property in source) 193 destination[property] = source[property]; 194 return destination; 195 } 196 197 function inspect(object) { 198 try { 199 if (isUndefined(object)) return 'undefined'; 200 if (object === null) return 'null'; 201 return object.inspect ? object.inspect() : String(object); 202 } catch (e) { 203 if (e instanceof RangeError) return '...'; 204 throw e; 205 } 206 } 207 208 function toJSON(value) { 209 return Str('', { '': value }, []); 210 } 211 212 function Str(key, holder, stack) { 213 var value = holder[key]; 214 if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') { 215 value = value.toJSON(key); 216 } 217 218 var _class = _toString.call(value); 219 220 switch (_class) { 221 case NUMBER_CLASS: 222 case BOOLEAN_CLASS: 223 case STRING_CLASS: 224 value = value.valueOf(); 225 } 226 227 switch (value) { 228 case null: return 'null'; 229 case true: return 'true'; 230 case false: return 'false'; 231 } 232 233 var type = typeof value; 234 switch (type) { 235 case 'string': 236 return value.inspect(true); 237 case 'number': 238 return isFinite(value) ? String(value) : 'null'; 239 case 'object': 240 241 for (var i = 0, length = stack.length; i < length; i++) { 242 if (stack[i] === value) { 243 throw new TypeError("Cyclic reference to '" + value + "' in object"); 244 } 245 } 246 stack.push(value); 247 248 var partial = []; 249 if (_class === ARRAY_CLASS) { 250 for (var i = 0, length = value.length; i < length; i++) { 251 var str = Str(i, value, stack); 252 partial.push(typeof str === 'undefined' ? 'null' : str); 253 } 254 partial = '[' + partial.join(',') + ']'; 255 } else { 256 var keys = Object.keys(value); 257 for (var i = 0, length = keys.length; i < length; i++) { 258 var key = keys[i], str = Str(key, value, stack); 259 if (typeof str !== "undefined") { 260 partial.push(key.inspect(true)+ ':' + str); 261 } 262 } 263 partial = '{' + partial.join(',') + '}'; 264 } 265 stack.pop(); 266 return partial; 267 } 268 } 269 270 function stringify(object) { 271 return JSON.stringify(object); 272 } 273 274 function toQueryString(object) { 275 return $H(object).toQueryString(); 276 } 277 278 function toHTML(object) { 279 return object && object.toHTML ? object.toHTML() : String.interpret(object); 280 } 281 282 function keys(object) { 283 if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); } 284 var results = []; 285 for (var property in object) { 286 if (_hasOwnProperty.call(object, property)) 287 results.push(property); 288 } 289 290 if (IS_DONTENUM_BUGGY) { 291 for (var i = 0; property = DONT_ENUMS[i]; i++) { 292 if (_hasOwnProperty.call(object, property)) 293 results.push(property); 294 } 295 } 296 297 return results; 298 } 299 300 function values(object) { 301 var results = []; 302 for (var property in object) 303 results.push(object[property]); 304 return results; 305 } 306 307 function clone(object) { 308 return extend({ }, object); 309 } 310 311 function isElement(object) { 312 return !!(object && object.nodeType == 1); 313 } 314 315 function isArray(object) { 316 return _toString.call(object) === ARRAY_CLASS; 317 } 318 319 var hasNativeIsArray = (typeof Array.isArray == 'function') 320 && Array.isArray([]) && !Array.isArray({}); 321 322 if (hasNativeIsArray) { 323 isArray = Array.isArray; 324 } 325 326 function isHash(object) { 327 return object instanceof Hash; 328 } 329 330 function isFunction(object) { 331 return _toString.call(object) === FUNCTION_CLASS; 332 } 333 334 function isString(object) { 335 return _toString.call(object) === STRING_CLASS; 336 } 337 338 function isNumber(object) { 339 return _toString.call(object) === NUMBER_CLASS; 340 } 341 342 function isDate(object) { 343 return _toString.call(object) === DATE_CLASS; 344 } 345 346 function isUndefined(object) { 347 return typeof object === "undefined"; 348 } 349 350 extend(Object, { 351 extend: extend, 352 inspect: inspect, 353 toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON, 354 toQueryString: toQueryString, 355 toHTML: toHTML, 356 keys: Object.keys || keys, 357 values: values, 358 clone: clone, 359 isElement: isElement, 360 isArray: isArray, 361 isHash: isHash, 362 isFunction: isFunction, 363 isString: isString, 364 isNumber: isNumber, 365 isDate: isDate, 366 isUndefined: isUndefined 367 }); 368 })(); 369 Object.extend(Function.prototype, (function() { 370 var slice = Array.prototype.slice; 371 372 function update(array, args) { 373 var arrayLength = array.length, length = args.length; 374 while (length--) array[arrayLength + length] = args[length]; 375 return array; 376 } 377 378 function merge(array, args) { 379 array = slice.call(array, 0); 380 return update(array, args); 381 } 382 383 function argumentNames() { 384 var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1] 385 .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '') 386 .replace(/\s+/g, '').split(','); 387 return names.length == 1 && !names[0] ? [] : names; 388 } 389 390 391 function bind(context) { 392 if (arguments.length < 2 && Object.isUndefined(arguments[0])) 393 return this; 394 395 if (!Object.isFunction(this)) 396 throw new TypeError("The object is not callable."); 397 398 var nop = function() {}; 399 var __method = this, args = slice.call(arguments, 1); 400 401 var bound = function() { 402 var a = merge(args, arguments), c = context; 403 var c = this instanceof bound ? this : context; 404 return __method.apply(c, a); 405 }; 406 407 nop.prototype = this.prototype; 408 bound.prototype = new nop(); 409 410 return bound; 411 } 412 413 function bindAsEventListener(context) { 414 var __method = this, args = slice.call(arguments, 1); 415 return function(event) { 416 var a = update([event || window.event], args); 417 return __method.apply(context, a); 418 } 419 } 420 421 function curry() { 422 if (!arguments.length) return this; 423 var __method = this, args = slice.call(arguments, 0); 424 return function() { 425 var a = merge(args, arguments); 426 return __method.apply(this, a); 427 } 428 } 429 430 function delay(timeout) { 431 var __method = this, args = slice.call(arguments, 1); 432 timeout = timeout * 1000; 433 return window.setTimeout(function() { 434 return __method.apply(__method, args); 435 }, timeout); 436 } 437 438 function defer() { 439 var args = update([0.01], arguments); 440 return this.delay.apply(this, args); 441 } 442 443 function wrap(wrapper) { 444 var __method = this; 445 return function() { 446 var a = update([__method.bind(this)], arguments); 447 return wrapper.apply(this, a); 448 } 449 } 450 451 function methodize() { 452 if (this._methodized) return this._methodized; 453 var __method = this; 454 return this._methodized = function() { 455 var a = update([this], arguments); 456 return __method.apply(null, a); 457 }; 458 } 459 460 var extensions = { 461 argumentNames: argumentNames, 462 bindAsEventListener: bindAsEventListener, 463 curry: curry, 464 delay: delay, 465 defer: defer, 466 wrap: wrap, 467 methodize: methodize 468 }; 469 470 if (!Function.prototype.bind) 471 extensions.bind = bind; 472 473 return extensions; 474 })()); 475 476 477 478 (function(proto) { 479 480 481 function toISOString() { 482 return this.getUTCFullYear() + '-' + 483 (this.getUTCMonth() + 1).toPaddedString(2) + '-' + 484 this.getUTCDate().toPaddedString(2) + 'T' + 485 this.getUTCHours().toPaddedString(2) + ':' + 486 this.getUTCMinutes().toPaddedString(2) + ':' + 487 this.getUTCSeconds().toPaddedString(2) + 'Z'; 488 } 489 490 491 function toJSON() { 492 return this.toISOString(); 493 } 494 495 if (!proto.toISOString) proto.toISOString = toISOString; 496 if (!proto.toJSON) proto.toJSON = toJSON; 497 498 })(Date.prototype); 499 500 501 RegExp.prototype.match = RegExp.prototype.test; 502 503 RegExp.escape = function(str) { 504 return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); 505 }; 506 var PeriodicalExecuter = Class.create({ 507 initialize: function(callback, frequency) { 508 this.callback = callback; 509 this.frequency = frequency; 510 this.currentlyExecuting = false; 511 512 this.registerCallback(); 513 }, 514 515 registerCallback: function() { 516 this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); 517 }, 518 519 execute: function() { 520 this.callback(this); 521 }, 522 523 stop: function() { 524 if (!this.timer) return; 525 clearInterval(this.timer); 526 this.timer = null; 527 }, 528 529 onTimerEvent: function() { 530 if (!this.currentlyExecuting) { 531 try { 532 this.currentlyExecuting = true; 533 this.execute(); 534 this.currentlyExecuting = false; 535 } catch(e) { 536 this.currentlyExecuting = false; 537 throw e; 538 } 539 } 540 } 541 }); 542 Object.extend(String, { 543 interpret: function(value) { 544 return value == null ? '' : String(value); 545 }, 546 specialChar: { 547 '\b': '\\b', 548 '\t': '\\t', 549 '\n': '\\n', 550 '\f': '\\f', 551 '\r': '\\r', 552 '\\': '\\\\' 553 } 554 }); 555 556 Object.extend(String.prototype, (function() { 557 var NATIVE_JSON_PARSE_SUPPORT = window.JSON && 558 typeof JSON.parse === 'function' && 559 JSON.parse('{"test": true}').test; 560 561 function prepareReplacement(replacement) { 562 if (Object.isFunction(replacement)) return replacement; 563 var template = new Template(replacement); 564 return function(match) { return template.evaluate(match) }; 565 } 566 567 function gsub(pattern, replacement) { 568 var result = '', source = this, match; 569 replacement = prepareReplacement(replacement); 570 571 if (Object.isString(pattern)) 572 pattern = RegExp.escape(pattern); 573 574 if (!(pattern.length || pattern.source)) { 575 replacement = replacement(''); 576 return replacement + source.split('').join(replacement) + replacement; 577 } 578 579 while (source.length > 0) { 580 if (match = source.match(pattern)) { 581 result += source.slice(0, match.index); 582 result += String.interpret(replacement(match)); 583 source = source.slice(match.index + match[0].length); 584 } else { 585 result += source, source = ''; 586 } 587 } 588 return result; 589 } 590 591 function sub(pattern, replacement, count) { 592 replacement = prepareReplacement(replacement); 593 count = Object.isUndefined(count) ? 1 : count; 594 595 return this.gsub(pattern, function(match) { 596 if (--count < 0) return match[0]; 597 return replacement(match); 598 }); 599 } 600 601 function scan(pattern, iterator) { 602 this.gsub(pattern, iterator); 603 return String(this); 604 } 605 606 function truncate(length, truncation) { 607 length = length || 30; 608 truncation = Object.isUndefined(truncation) ? '...' : truncation; 609 return this.length > length ? 610 this.slice(0, length - truncation.length) + truncation : String(this); 611 } 612 613 function strip() { 614 return this.replace(/^\s+/, '').replace(/\s+$/, ''); 615 } 616 617 function stripTags() { 618 return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, ''); 619 } 620 621 function stripScripts() { 622 return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); 623 } 624 625 function extractScripts() { 626 var matchAll = new RegExp(Prototype.ScriptFragment, 'img'), 627 matchOne = new RegExp(Prototype.ScriptFragment, 'im'); 628 return (this.match(matchAll) || []).map(function(scriptTag) { 629 return (scriptTag.match(matchOne) || ['', ''])[1]; 630 }); 631 } 632 633 function evalScripts() { 634 return this.extractScripts().map(function(script) { return eval(script); }); 635 } 636 637 function escapeHTML() { 638 return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); 639 } 640 641 function unescapeHTML() { 642 return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); 643 } 644 645 646 function toQueryParams(separator) { 647 var match = this.strip().match(/([^?#]*)(#.*)?$/); 648 if (!match) return { }; 649 650 return match[1].split(separator || '&').inject({ }, function(hash, pair) { 651 if ((pair = pair.split('='))[0]) { 652 var key = decodeURIComponent(pair.shift()), 653 value = pair.length > 1 ? pair.join('=') : pair[0]; 654 655 if (value != undefined) value = decodeURIComponent(value); 656 657 if (key in hash) { 658 if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; 659 hash[key].push(value); 660 } 661 else hash[key] = value; 662 } 663 return hash; 664 }); 665 } 666 667 function toArray() { 668 return this.split(''); 669 } 670 671 function succ() { 672 return this.slice(0, this.length - 1) + 673 String.fromCharCode(this.charCodeAt(this.length - 1) + 1); 674 } 675 676 function times(count) { 677 return count < 1 ? '' : new Array(count + 1).join(this); 678 } 679 680 function camelize() { 681 return this.replace(/-+(.)?/g, function(match, chr) { 682 return chr ? chr.toUpperCase() : ''; 683 }); 684 } 685 686 function capitalize() { 687 return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); 688 } 689 690 function underscore() { 691 return this.replace(/::/g, '/') 692 .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2') 693 .replace(/([a-z\d])([A-Z])/g, '$1_$2') 694 .replace(/-/g, '_') 695 .toLowerCase(); 696 } 697 698 function dasherize() { 699 return this.replace(/_/g, '-'); 700 } 701 702 function inspect(useDoubleQuotes) { 703 var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) { 704 if (character in String.specialChar) { 705 return String.specialChar[character]; 706 } 707 return '\\u00' + character.charCodeAt().toPaddedString(2, 16); 708 }); 709 if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; 710 return "'" + escapedString.replace(/'/g, '\\\'') + "'"; 711 } 712 713 function unfilterJSON(filter) { 714 return this.replace(filter || Prototype.JSONFilter, '$1'); 715 } 716 717 function isJSON() { 718 var str = this; 719 if (str.blank()) return false; 720 str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@'); 721 str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'); 722 str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, ''); 723 return (/^[\],:{}\s]*$/).test(str); 724 } 725 726 function evalJSON(sanitize) { 727 var json = this.unfilterJSON(), 728 cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g; 729 if (cx.test(json)) { 730 json = json.replace(cx, function (a) { 731 return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); 732 }); 733 } 734 try { 735 if (!sanitize || json.isJSON()) return eval('(' + json + ')'); 736 } catch (e) { } 737 throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); 738 } 739 740 function parseJSON() { 741 var json = this.unfilterJSON(); 742 return JSON.parse(json); 743 } 744 745 function include(pattern) { 746 return this.indexOf(pattern) > -1; 747 } 748 749 function startsWith(pattern) { 750 return this.lastIndexOf(pattern, 0) === 0; 751 } 752 753 function endsWith(pattern) { 754 var d = this.length - pattern.length; 755 return d >= 0 && this.indexOf(pattern, d) === d; 756 } 757 758 function empty() { 759 return this == ''; 760 } 761 762 function blank() { 763 return /^\s*$/.test(this); 764 } 765 766 function interpolate(object, pattern) { 767 return new Template(this, pattern).evaluate(object); 768 } 769 770 return { 771 gsub: gsub, 772 sub: sub, 773 scan: scan, 774 truncate: truncate, 775 strip: String.prototype.trim || strip, 776 stripTags: stripTags, 777 stripScripts: stripScripts, 778 extractScripts: extractScripts, 779 evalScripts: evalScripts, 780 escapeHTML: escapeHTML, 781 unescapeHTML: unescapeHTML, 782 toQueryParams: toQueryParams, 783 parseQuery: toQueryParams, 784 toArray: toArray, 785 succ: succ, 786 times: times, 787 camelize: camelize, 788 capitalize: capitalize, 789 underscore: underscore, 790 dasherize: dasherize, 791 inspect: inspect, 792 unfilterJSON: unfilterJSON, 793 isJSON: isJSON, 794 evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON, 795 include: include, 796 startsWith: startsWith, 797 endsWith: endsWith, 798 empty: empty, 799 blank: blank, 800 interpolate: interpolate 801 }; 802 })()); 803 804 var Template = Class.create({ 805 initialize: function(template, pattern) { 806 this.template = template.toString(); 807 this.pattern = pattern || Template.Pattern; 808 }, 809 810 evaluate: function(object) { 811 if (object && Object.isFunction(object.toTemplateReplacements)) 812 object = object.toTemplateReplacements(); 813 814 return this.template.gsub(this.pattern, function(match) { 815 if (object == null) return (match[1] + ''); 816 817 var before = match[1] || ''; 818 if (before == '\\') return match[2]; 819 820 var ctx = object, expr = match[3], 821 pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; 822 823 match = pattern.exec(expr); 824 if (match == null) return before; 825 826 while (match != null) { 827 var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1]; 828 ctx = ctx[comp]; 829 if (null == ctx || '' == match[3]) break; 830 expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); 831 match = pattern.exec(expr); 832 } 833 834 return before + String.interpret(ctx); 835 }); 836 } 837 }); 838 Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; 839 840 var $break = { }; 841 842 var Enumerable = (function() { 843 function each(iterator, context) { 844 try { 845 this._each(iterator, context); 846 } catch (e) { 847 if (e != $break) throw e; 848 } 849 return this; 850 } 851 852 function eachSlice(number, iterator, context) { 853 var index = -number, slices = [], array = this.toArray(); 854 if (number < 1) return array; 855 while ((index += number) < array.length) 856 slices.push(array.slice(index, index+number)); 857 return slices.collect(iterator, context); 858 } 859 860 function all(iterator, context) { 861 iterator = iterator || Prototype.K; 862 var result = true; 863 this.each(function(value, index) { 864 result = result && !!iterator.call(context, value, index, this); 865 if (!result) throw $break; 866 }, this); 867 return result; 868 } 869 870 function any(iterator, context) { 871 iterator = iterator || Prototype.K; 872 var result = false; 873 this.each(function(value, index) { 874 if (result = !!iterator.call(context, value, index, this)) 875 throw $break; 876 }, this); 877 return result; 878 } 879 880 function collect(iterator, context) { 881 iterator = iterator || Prototype.K; 882 var results = []; 883 this.each(function(value, index) { 884 results.push(iterator.call(context, value, index, this)); 885 }, this); 886 return results; 887 } 888 889 function detect(iterator, context) { 890 var result; 891 this.each(function(value, index) { 892 if (iterator.call(context, value, index, this)) { 893 result = value; 894 throw $break; 895 } 896 }, this); 897 return result; 898 } 899 900 function findAll(iterator, context) { 901 var results = []; 902 this.each(function(value, index) { 903 if (iterator.call(context, value, index, this)) 904 results.push(value); 905 }, this); 906 return results; 907 } 908 909 function grep(filter, iterator, context) { 910 iterator = iterator || Prototype.K; 911 var results = []; 912 913 if (Object.isString(filter)) 914 filter = new RegExp(RegExp.escape(filter)); 915 916 this.each(function(value, index) { 917 if (filter.match(value)) 918 results.push(iterator.call(context, value, index, this)); 919 }, this); 920 return results; 921 } 922 923 function include(object) { 924 if (Object.isFunction(this.indexOf)) 925 if (this.indexOf(object) != -1) return true; 926 927 var found = false; 928 this.each(function(value) { 929 if (value == object) { 930 found = true; 931 throw $break; 932 } 933 }); 934 return found; 935 } 936 937 function inGroupsOf(number, fillWith) { 938 fillWith = Object.isUndefined(fillWith) ? null : fillWith; 939 return this.eachSlice(number, function(slice) { 940 while(slice.length < number) slice.push(fillWith); 941 return slice; 942 }); 943 } 944 945 function inject(memo, iterator, context) { 946 this.each(function(value, index) { 947 memo = iterator.call(context, memo, value, index, this); 948 }, this); 949 return memo; 950 } 951 952 function invoke(method) { 953 var args = $A(arguments).slice(1); 954 return this.map(function(value) { 955 return value[method].apply(value, args); 956 }); 957 } 958 959 function max(iterator, context) { 960 iterator = iterator || Prototype.K; 961 var result; 962 this.each(function(value, index) { 963 value = iterator.call(context, value, index, this); 964 if (result == null || value >= result) 965 result = value; 966 }, this); 967 return result; 968 } 969 970 function min(iterator, context) { 971 iterator = iterator || Prototype.K; 972 var result; 973 this.each(function(value, index) { 974 value = iterator.call(context, value, index, this); 975 if (result == null || value < result) 976 result = value; 977 }, this); 978 return result; 979 } 980 981 function partition(iterator, context) { 982 iterator = iterator || Prototype.K; 983 var trues = [], falses = []; 984 this.each(function(value, index) { 985 (iterator.call(context, value, index, this) ? 986 trues : falses).push(value); 987 }, this); 988 return [trues, falses]; 989 } 990 991 function pluck(property) { 992 var results = []; 993 this.each(function(value) { 994 results.push(value[property]); 995 }); 996 return results; 997 } 998 999 function reject(iterator, context) { 1000 var results = []; 1001 this.each(function(value, index) { 1002 if (!iterator.call(context, value, index, this)) 1003 results.push(value); 1004 }, this); 1005 return results; 1006 } 1007 1008 function sortBy(iterator, context) { 1009 return this.map(function(value, index) { 1010 return { 1011 value: value, 1012 criteria: iterator.call(context, value, index, this) 1013 }; 1014 }, this).sort(function(left, right) { 1015 var a = left.criteria, b = right.criteria; 1016 return a < b ? -1 : a > b ? 1 : 0; 1017 }).pluck('value'); 1018 } 1019 1020 function toArray() { 1021 return this.map(); 1022 } 1023 1024 function zip() { 1025 var iterator = Prototype.K, args = $A(arguments); 1026 if (Object.isFunction(args.last())) 1027 iterator = args.pop(); 1028 1029 var collections = [this].concat(args).map($A); 1030 return this.map(function(value, index) { 1031 return iterator(collections.pluck(index)); 1032 }); 1033 } 1034 1035 function size() { 1036 return this.toArray().length; 1037 } 1038 1039 function inspect() { 1040 return '#<Enumerable:' + this.toArray().inspect() + '>'; 1041 } 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 return { 1052 each: each, 1053 eachSlice: eachSlice, 1054 all: all, 1055 every: all, 1056 any: any, 1057 some: any, 1058 collect: collect, 1059 map: collect, 1060 detect: detect, 1061 findAll: findAll, 1062 select: findAll, 1063 filter: findAll, 1064 grep: grep, 1065 include: include, 1066 member: include, 1067 inGroupsOf: inGroupsOf, 1068 inject: inject, 1069 invoke: invoke, 1070 max: max, 1071 min: min, 1072 partition: partition, 1073 pluck: pluck, 1074 reject: reject, 1075 sortBy: sortBy, 1076 toArray: toArray, 1077 entries: toArray, 1078 zip: zip, 1079 size: size, 1080 inspect: inspect, 1081 find: detect 1082 }; 1083 })(); 1084 1085 function $A(iterable) { 1086 if (!iterable) return []; 1087 if ('toArray' in Object(iterable)) return iterable.toArray(); 1088 var length = iterable.length || 0, results = new Array(length); 1089 while (length--) results[length] = iterable[length]; 1090 return results; 1091 } 1092 1093 1094 function $w(string) { 1095 if (!Object.isString(string)) return []; 1096 string = string.strip(); 1097 return string ? string.split(/\s+/) : []; 1098 } 1099 1100 Array.from = $A; 1101 1102 1103 (function() { 1104 var arrayProto = Array.prototype, 1105 slice = arrayProto.slice, 1106 _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available 1107 1108 function each(iterator, context) { 1109 for (var i = 0, length = this.length >>> 0; i < length; i++) { 1110 if (i in this) iterator.call(context, this[i], i, this); 1111 } 1112 } 1113 if (!_each) _each = each; 1114 1115 function clear() { 1116 this.length = 0; 1117 return this; 1118 } 1119 1120 function first() { 1121 return this[0]; 1122 } 1123 1124 function last() { 1125 return this[this.length - 1]; 1126 } 1127 1128 function compact() { 1129 return this.select(function(value) { 1130 return value != null; 1131 }); 1132 } 1133 1134 function flatten() { 1135 return this.inject([], function(array, value) { 1136 if (Object.isArray(value)) 1137 return array.concat(value.flatten()); 1138 array.push(value); 1139 return array; 1140 }); 1141 } 1142 1143 function without() { 1144 var values = slice.call(arguments, 0); 1145 return this.select(function(value) { 1146 return !values.include(value); 1147 }); 1148 } 1149 1150 function reverse(inline) { 1151 return (inline === false ? this.toArray() : this)._reverse(); 1152 } 1153 1154 function uniq(sorted) { 1155 return this.inject([], function(array, value, index) { 1156 if (0 == index || (sorted ? array.last() != value : !array.include(value))) 1157 array.push(value); 1158 return array; 1159 }); 1160 } 1161 1162 function intersect(array) { 1163 return this.uniq().findAll(function(item) { 1164 return array.indexOf(item) !== -1; 1165 }); 1166 } 1167 1168 1169 function clone() { 1170 return slice.call(this, 0); 1171 } 1172 1173 function size() { 1174 return this.length; 1175 } 1176 1177 function inspect() { 1178 return '[' + this.map(Object.inspect).join(', ') + ']'; 1179 } 1180 1181 function indexOf(item, i) { 1182 if (this == null) throw new TypeError(); 1183 1184 var array = Object(this), length = array.length >>> 0; 1185 if (length === 0) return -1; 1186 1187 i = Number(i); 1188 if (isNaN(i)) { 1189 i = 0; 1190 } else if (i !== 0 && isFinite(i)) { 1191 i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i)); 1192 } 1193 1194 if (i > length) return -1; 1195 1196 var k = i >= 0 ? i : Math.max(length - Math.abs(i), 0); 1197 for (; k < length; k++) 1198 if (k in array && array[k] === item) return k; 1199 return -1; 1200 } 1201 1202 1203 function lastIndexOf(item, i) { 1204 if (this == null) throw new TypeError(); 1205 1206 var array = Object(this), length = array.length >>> 0; 1207 if (length === 0) return -1; 1208 1209 if (!Object.isUndefined(i)) { 1210 i = Number(i); 1211 if (isNaN(i)) { 1212 i = 0; 1213 } else if (i !== 0 && isFinite(i)) { 1214 i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i)); 1215 } 1216 } else { 1217 i = length; 1218 } 1219 1220 var k = i >= 0 ? Math.min(i, length - 1) : 1221 length - Math.abs(i); 1222 1223 for (; k >= 0; k--) 1224 if (k in array && array[k] === item) return k; 1225 return -1; 1226 } 1227 1228 function concat(_) { 1229 var array = [], items = slice.call(arguments, 0), item, n = 0; 1230 items.unshift(this); 1231 for (var i = 0, length = items.length; i < length; i++) { 1232 item = items[i]; 1233 if (Object.isArray(item) && !('callee' in item)) { 1234 for (var j = 0, arrayLength = item.length; j < arrayLength; j++) { 1235 if (j in item) array[n] = item[j]; 1236 n++; 1237 } 1238 } else { 1239 array[n++] = item; 1240 } 1241 } 1242 array.length = n; 1243 return array; 1244 } 1245 1246 1247 function wrapNative(method) { 1248 return function() { 1249 if (arguments.length === 0) { 1250 return method.call(this, Prototype.K); 1251 } else if (arguments[0] === undefined) { 1252 var args = slice.call(arguments, 1); 1253 args.unshift(Prototype.K); 1254 return method.apply(this, args); 1255 } else { 1256 return method.apply(this, arguments); 1257 } 1258 }; 1259 } 1260 1261 1262 function map(iterator) { 1263 if (this == null) throw new TypeError(); 1264 iterator = iterator || Prototype.K; 1265 1266 var object = Object(this); 1267 var results = [], context = arguments[1], n = 0; 1268 1269 for (var i = 0, length = object.length >>> 0; i < length; i++) { 1270 if (i in object) { 1271 results[n] = iterator.call(context, object[i], i, object); 1272 } 1273 n++; 1274 } 1275 results.length = n; 1276 return results; 1277 } 1278 1279 if (arrayProto.map) { 1280 map = wrapNative(Array.prototype.map); 1281 } 1282 1283 function filter(iterator) { 1284 if (this == null || !Object.isFunction(iterator)) 1285 throw new TypeError(); 1286 1287 var object = Object(this); 1288 var results = [], context = arguments[1], value; 1289 1290 for (var i = 0, length = object.length >>> 0; i < length; i++) { 1291 if (i in object) { 1292 value = object[i]; 1293 if (iterator.call(context, value, i, object)) { 1294 results.push(value); 1295 } 1296 } 1297 } 1298 return results; 1299 } 1300 1301 if (arrayProto.filter) { 1302 filter = Array.prototype.filter; 1303 } 1304 1305 function some(iterator) { 1306 if (this == null) throw new TypeError(); 1307 iterator = iterator || Prototype.K; 1308 var context = arguments[1]; 1309 1310 var object = Object(this); 1311 for (var i = 0, length = object.length >>> 0; i < length; i++) { 1312 if (i in object && iterator.call(context, object[i], i, object)) { 1313 return true; 1314 } 1315 } 1316 1317 return false; 1318 } 1319 1320 if (arrayProto.some) { 1321 var some = wrapNative(Array.prototype.some); 1322 } 1323 1324 1325 function every(iterator) { 1326 if (this == null) throw new TypeError(); 1327 iterator = iterator || Prototype.K; 1328 var context = arguments[1]; 1329 1330 var object = Object(this); 1331 for (var i = 0, length = object.length >>> 0; i < length; i++) { 1332 if (i in object && !iterator.call(context, object[i], i, object)) { 1333 return false; 1334 } 1335 } 1336 1337 return true; 1338 } 1339 1340 if (arrayProto.every) { 1341 var every = wrapNative(Array.prototype.every); 1342 } 1343 1344 var _reduce = arrayProto.reduce; 1345 function inject(memo, iterator) { 1346 iterator = iterator || Prototype.K; 1347 var context = arguments[2]; 1348 return _reduce.call(this, iterator.bind(context), memo); 1349 } 1350 1351 if (!arrayProto.reduce) { 1352 var inject = Enumerable.inject; 1353 } 1354 1355 Object.extend(arrayProto, Enumerable); 1356 1357 if (!arrayProto._reverse) 1358 arrayProto._reverse = arrayProto.reverse; 1359 1360 Object.extend(arrayProto, { 1361 _each: _each, 1362 1363 map: map, 1364 collect: map, 1365 select: filter, 1366 filter: filter, 1367 findAll: filter, 1368 some: some, 1369 any: some, 1370 every: every, 1371 all: every, 1372 inject: inject, 1373 1374 clear: clear, 1375 first: first, 1376 last: last, 1377 compact: compact, 1378 flatten: flatten, 1379 without: without, 1380 reverse: reverse, 1381 uniq: uniq, 1382 intersect: intersect, 1383 clone: clone, 1384 toArray: clone, 1385 size: size, 1386 inspect: inspect 1387 }); 1388 1389 var CONCAT_ARGUMENTS_BUGGY = (function() { 1390 return [].concat(arguments)[0][0] !== 1; 1391 })(1,2); 1392 1393 if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat; 1394 1395 if (!arrayProto.indexOf) arrayProto.indexOf = indexOf; 1396 if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf; 1397 })(); 1398 function $H(object) { 1399 return new Hash(object); 1400 }; 1401 1402 var Hash = Class.create(Enumerable, (function() { 1403 function initialize(object) { 1404 this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); 1405 } 1406 1407 1408 function _each(iterator, context) { 1409 for (var key in this._object) { 1410 var value = this._object[key], pair = [key, value]; 1411 pair.key = key; 1412 pair.value = value; 1413 iterator.call(context, pair); 1414 } 1415 } 1416 1417 function set(key, value) { 1418 return this._object[key] = value; 1419 } 1420 1421 function get(key) { 1422 if (this._object[key] !== Object.prototype[key]) 1423 return this._object[key]; 1424 } 1425 1426 function unset(key) { 1427 var value = this._object[key]; 1428 delete this._object[key]; 1429 return value; 1430 } 1431 1432 function toObject() { 1433 return Object.clone(this._object); 1434 } 1435 1436 1437 1438 function keys() { 1439 return this.pluck('key'); 1440 } 1441 1442 function values() { 1443 return this.pluck('value'); 1444 } 1445 1446 function index(value) { 1447 var match = this.detect(function(pair) { 1448 return pair.value === value; 1449 }); 1450 return match && match.key; 1451 } 1452 1453 function merge(object) { 1454 return this.clone().update(object); 1455 } 1456 1457 function update(object) { 1458 return new Hash(object).inject(this, function(result, pair) { 1459 result.set(pair.key, pair.value); 1460 return result; 1461 }); 1462 } 1463 1464 function toQueryPair(key, value) { 1465 if (Object.isUndefined(value)) return key; 1466 1467 var value = String.interpret(value); 1468 1469 value = value.gsub(/(\r)?\n/, '\r\n'); 1470 value = encodeURIComponent(value); 1471 value = value.gsub(/%20/, '+'); 1472 return key + '=' + value; 1473 } 1474 1475 function toQueryString() { 1476 return this.inject([], function(results, pair) { 1477 var key = encodeURIComponent(pair.key), values = pair.value; 1478 1479 if (values && typeof values == 'object') { 1480 if (Object.isArray(values)) { 1481 var queryValues = []; 1482 for (var i = 0, len = values.length, value; i < len; i++) { 1483 value = values[i]; 1484 queryValues.push(toQueryPair(key, value)); 1485 } 1486 return results.concat(queryValues); 1487 } 1488 } else results.push(toQueryPair(key, values)); 1489 return results; 1490 }).join('&'); 1491 } 1492 1493 function inspect() { 1494 return '#<Hash:{' + this.map(function(pair) { 1495 return pair.map(Object.inspect).join(': '); 1496 }).join(', ') + '}>'; 1497 } 1498 1499 function clone() { 1500 return new Hash(this); 1501 } 1502 1503 return { 1504 initialize: initialize, 1505 _each: _each, 1506 set: set, 1507 get: get, 1508 unset: unset, 1509 toObject: toObject, 1510 toTemplateReplacements: toObject, 1511 keys: keys, 1512 values: values, 1513 index: index, 1514 merge: merge, 1515 update: update, 1516 toQueryString: toQueryString, 1517 inspect: inspect, 1518 toJSON: toObject, 1519 clone: clone 1520 }; 1521 })()); 1522 1523 Hash.from = $H; 1524 Object.extend(Number.prototype, (function() { 1525 function toColorPart() { 1526 return this.toPaddedString(2, 16); 1527 } 1528 1529 function succ() { 1530 return this + 1; 1531 } 1532 1533 function times(iterator, context) { 1534 $R(0, this, true).each(iterator, context); 1535 return this; 1536 } 1537 1538 function toPaddedString(length, radix) { 1539 var string = this.toString(radix || 10); 1540 return '0'.times(length - string.length) + string; 1541 } 1542 1543 function abs() { 1544 return Math.abs(this); 1545 } 1546 1547 function round() { 1548 return Math.round(this); 1549 } 1550 1551 function ceil() { 1552 return Math.ceil(this); 1553 } 1554 1555 function floor() { 1556 return Math.floor(this); 1557 } 1558 1559 return { 1560 toColorPart: toColorPart, 1561 succ: succ, 1562 times: times, 1563 toPaddedString: toPaddedString, 1564 abs: abs, 1565 round: round, 1566 ceil: ceil, 1567 floor: floor 1568 }; 1569 })()); 1570 1571 function $R(start, end, exclusive) { 1572 return new ObjectRange(start, end, exclusive); 1573 } 1574 1575 var ObjectRange = Class.create(Enumerable, (function() { 1576 function initialize(start, end, exclusive) { 1577 this.start = start; 1578 this.end = end; 1579 this.exclusive = exclusive; 1580 } 1581 1582 function _each(iterator, context) { 1583 var value = this.start; 1584 while (this.include(value)) { 1585 iterator.call(context, value); 1586 value = value.succ(); 1587 } 1588 } 1589 1590 function include(value) { 1591 if (value < this.start) 1592 return false; 1593 if (this.exclusive) 1594 return value < this.end; 1595 return value <= this.end; 1596 } 1597 1598 return { 1599 initialize: initialize, 1600 _each: _each, 1601 include: include 1602 }; 1603 })()); 1604 1605 1606 1607 var Abstract = { }; 1608 1609 1610 var Try = { 1611 these: function() { 1612 var returnValue; 1613 1614 for (var i = 0, length = arguments.length; i < length; i++) { 1615 var lambda = arguments[i]; 1616 try { 1617 returnValue = lambda(); 1618 break; 1619 } catch (e) { } 1620 } 1621 1622 return returnValue; 1623 } 1624 }; 1625 1626 var Ajax = { 1627 getTransport: function() { 1628 return Try.these( 1629 function() {return new XMLHttpRequest()}, 1630 function() {return new ActiveXObject('Msxml2.XMLHTTP')}, 1631 function() {return new ActiveXObject('Microsoft.XMLHTTP')} 1632 ) || false; 1633 }, 1634 1635 activeRequestCount: 0 1636 }; 1637 1638 Ajax.Responders = { 1639 responders: [], 1640 1641 _each: function(iterator, context) { 1642 this.responders._each(iterator, context); 1643 }, 1644 1645 register: function(responder) { 1646 if (!this.include(responder)) 1647 this.responders.push(responder); 1648 }, 1649 1650 unregister: function(responder) { 1651 this.responders = this.responders.without(responder); 1652 }, 1653 1654 dispatch: function(callback, request, transport, json) { 1655 this.each(function(responder) { 1656 if (Object.isFunction(responder[callback])) { 1657 try { 1658 responder[callback].apply(responder, [request, transport, json]); 1659 } catch (e) { } 1660 } 1661 }); 1662 } 1663 }; 1664 1665 Object.extend(Ajax.Responders, Enumerable); 1666 1667 Ajax.Responders.register({ 1668 onCreate: function() { Ajax.activeRequestCount++ }, 1669 onComplete: function() { Ajax.activeRequestCount-- } 1670 }); 1671 Ajax.Base = Class.create({ 1672 initialize: function(options) { 1673 this.options = { 1674 method: 'post', 1675 asynchronous: true, 1676 contentType: 'application/x-www-form-urlencoded', 1677 encoding: 'UTF-8', 1678 parameters: '', 1679 evalJSON: true, 1680 evalJS: true 1681 }; 1682 Object.extend(this.options, options || { }); 1683 1684 this.options.method = this.options.method.toLowerCase(); 1685 1686 if (Object.isHash(this.options.parameters)) 1687 this.options.parameters = this.options.parameters.toObject(); 1688 } 1689 }); 1690 Ajax.Request = Class.create(Ajax.Base, { 1691 _complete: false, 1692 1693 initialize: function($super, url, options) { 1694 $super(options); 1695 this.transport = Ajax.getTransport(); 1696 this.request(url); 1697 }, 1698 1699 request: function(url) { 1700 this.url = url; 1701 this.method = this.options.method; 1702 var params = Object.isString(this.options.parameters) ? 1703 this.options.parameters : 1704 Object.toQueryString(this.options.parameters); 1705 1706 if (!['get', 'post'].include(this.method)) { 1707 params += (params ? '&' : '') + "_method=" + this.method; 1708 this.method = 'post'; 1709 } 1710 1711 if (params && this.method === 'get') { 1712 this.url += (this.url.include('?') ? '&' : '?') + params; 1713 } 1714 1715 this.parameters = params.toQueryParams(); 1716 1717 try { 1718 var response = new Ajax.Response(this); 1719 if (this.options.onCreate) this.options.onCreate(response); 1720 Ajax.Responders.dispatch('onCreate', this, response); 1721 1722 this.transport.open(this.method.toUpperCase(), this.url, 1723 this.options.asynchronous); 1724 1725 if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); 1726 1727 this.transport.onreadystatechange = this.onStateChange.bind(this); 1728 this.setRequestHeaders(); 1729 1730 this.body = this.method == 'post' ? (this.options.postBody || params) : null; 1731 this.transport.send(this.body); 1732 1733 /* Force Firefox to handle ready state 4 for synchronous requests */ 1734 if (!this.options.asynchronous && this.transport.overrideMimeType) 1735 this.onStateChange(); 1736 1737 } 1738 catch (e) { 1739 this.dispatchException(e); 1740 } 1741 }, 1742 1743 onStateChange: function() { 1744 var readyState = this.transport.readyState; 1745 if (readyState > 1 && !((readyState == 4) && this._complete)) 1746 this.respondToReadyState(this.transport.readyState); 1747 }, 1748 1749 setRequestHeaders: function() { 1750 var headers = { 1751 'X-Requested-With': 'XMLHttpRequest', 1752 'X-Prototype-Version': Prototype.Version, 1753 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' 1754 }; 1755 1756 if (this.method == 'post') { 1757 headers['Content-type'] = this.options.contentType + 1758 (this.options.encoding ? '; charset=' + this.options.encoding : ''); 1759 1760 /* Force "Connection: close" for older Mozilla browsers to work 1761 * around a bug where XMLHttpRequest sends an incorrect 1762 * Content-length header. See Mozilla Bugzilla #246651. 1763 */ 1764 if (this.transport.overrideMimeType && 1765 (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) 1766 headers['Connection'] = 'close'; 1767 } 1768 1769 if (typeof this.options.requestHeaders == 'object') { 1770 var extras = this.options.requestHeaders; 1771 1772 if (Object.isFunction(extras.push)) 1773 for (var i = 0, length = extras.length; i < length; i += 2) 1774 headers[extras[i]] = extras[i+1]; 1775 else 1776 $H(extras).each(function(pair) { headers[pair.key] = pair.value }); 1777 } 1778 1779 for (var name in headers) 1780 this.transport.setRequestHeader(name, headers[name]); 1781 }, 1782 1783 success: function() { 1784 var status = this.getStatus(); 1785 return !status || (status >= 200 && status < 300) || status == 304; 1786 }, 1787 1788 getStatus: function() { 1789 try { 1790 if (this.transport.status === 1223) return 204; 1791 return this.transport.status || 0; 1792 } catch (e) { return 0 } 1793 }, 1794 1795 respondToReadyState: function(readyState) { 1796 var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); 1797 1798 if (state == 'Complete') { 1799 try { 1800 this._complete = true; 1801 (this.options['on' + response.status] 1802 || this.options['on' + (this.success() ? 'Success' : 'Failure')] 1803 || Prototype.emptyFunction)(response, response.headerJSON); 1804 } catch (e) { 1805 this.dispatchException(e); 1806 } 1807 1808 var contentType = response.getHeader('Content-type'); 1809 if (this.options.evalJS == 'force' 1810 || (this.options.evalJS && this.isSameOrigin() && contentType 1811 && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) 1812 this.evalResponse(); 1813 } 1814 1815 try { 1816 (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); 1817 Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); 1818 } catch (e) { 1819 this.dispatchException(e); 1820 } 1821 1822 if (state == 'Complete') { 1823 this.transport.onreadystatechange = Prototype.emptyFunction; 1824 } 1825 }, 1826 1827 isSameOrigin: function() { 1828 var m = this.url.match(/^\s*https?:\/\/[^\/]*/); 1829 return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ 1830 protocol: location.protocol, 1831 domain: document.domain, 1832 port: location.port ? ':' + location.port : '' 1833 })); 1834 }, 1835 1836 getHeader: function(name) { 1837 try { 1838 return this.transport.getResponseHeader(name) || null; 1839 } catch (e) { return null; } 1840 }, 1841 1842 evalResponse: function() { 1843 try { 1844 return eval((this.transport.responseText || '').unfilterJSON()); 1845 } catch (e) { 1846 this.dispatchException(e); 1847 } 1848 }, 1849 1850 dispatchException: function(exception) { 1851 (this.options.onException || Prototype.emptyFunction)(this, exception); 1852 Ajax.Responders.dispatch('onException', this, exception); 1853 } 1854 }); 1855 1856 Ajax.Request.Events = 1857 ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; 1858 1859 1860 1861 1862 1863 1864 1865 1866 Ajax.Response = Class.create({ 1867 initialize: function(request){ 1868 this.request = request; 1869 var transport = this.transport = request.transport, 1870 readyState = this.readyState = transport.readyState; 1871 1872 if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { 1873 this.status = this.getStatus(); 1874 this.statusText = this.getStatusText(); 1875 this.responseText = String.interpret(transport.responseText); 1876 this.headerJSON = this._getHeaderJSON(); 1877 } 1878 1879 if (readyState == 4) { 1880 var xml = transport.responseXML; 1881 this.responseXML = Object.isUndefined(xml) ? null : xml; 1882 this.responseJSON = this._getResponseJSON(); 1883 } 1884 }, 1885 1886 status: 0, 1887 1888 statusText: '', 1889 1890 getStatus: Ajax.Request.prototype.getStatus, 1891 1892 getStatusText: function() { 1893 try { 1894 return this.transport.statusText || ''; 1895 } catch (e) { return '' } 1896 }, 1897 1898 getHeader: Ajax.Request.prototype.getHeader, 1899 1900 getAllHeaders: function() { 1901 try { 1902 return this.getAllResponseHeaders(); 1903 } catch (e) { return null } 1904 }, 1905 1906 getResponseHeader: function(name) { 1907 return this.transport.getResponseHeader(name); 1908 }, 1909 1910 getAllResponseHeaders: function() { 1911 return this.transport.getAllResponseHeaders(); 1912 }, 1913 1914 _getHeaderJSON: function() { 1915 var json = this.getHeader('X-JSON'); 1916 if (!json) return null; 1917 1918 try { 1919 json = decodeURIComponent(escape(json)); 1920 } catch(e) { 1921 } 1922 1923 try { 1924 return json.evalJSON(this.request.options.sanitizeJSON || 1925 !this.request.isSameOrigin()); 1926 } catch (e) { 1927 this.request.dispatchException(e); 1928 } 1929 }, 1930 1931 _getResponseJSON: function() { 1932 var options = this.request.options; 1933 if (!options.evalJSON || (options.evalJSON != 'force' && 1934 !(this.getHeader('Content-type') || '').include('application/json')) || 1935 this.responseText.blank()) 1936 return null; 1937 try { 1938 return this.responseText.evalJSON(options.sanitizeJSON || 1939 !this.request.isSameOrigin()); 1940 } catch (e) { 1941 this.request.dispatchException(e); 1942 } 1943 } 1944 }); 1945 1946 Ajax.Updater = Class.create(Ajax.Request, { 1947 initialize: function($super, container, url, options) { 1948 this.container = { 1949 success: (container.success || container), 1950 failure: (container.failure || (container.success ? null : container)) 1951 }; 1952 1953 options = Object.clone(options); 1954 var onComplete = options.onComplete; 1955 options.onComplete = (function(response, json) { 1956 this.updateContent(response.responseText); 1957 if (Object.isFunction(onComplete)) onComplete(response, json); 1958 }).bind(this); 1959 1960 $super(url, options); 1961 }, 1962 1963 updateContent: function(responseText) { 1964 var receiver = this.container[this.success() ? 'success' : 'failure'], 1965 options = this.options; 1966 1967 if (!options.evalScripts) responseText = responseText.stripScripts(); 1968 1969 if (receiver = $(receiver)) { 1970 if (options.insertion) { 1971 if (Object.isString(options.insertion)) { 1972 var insertion = { }; insertion[options.insertion] = responseText; 1973 receiver.insert(insertion); 1974 } 1975 else options.insertion(receiver, responseText); 1976 } 1977 else receiver.update(responseText); 1978 } 1979 } 1980 }); 1981 1982 Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { 1983 initialize: function($super, container, url, options) { 1984 $super(options); 1985 this.onComplete = this.options.onComplete; 1986 1987 this.frequency = (this.options.frequency || 2); 1988 this.decay = (this.options.decay || 1); 1989 1990 this.updater = { }; 1991 this.container = container; 1992 this.url = url; 1993 1994 this.start(); 1995 }, 1996 1997 start: function() { 1998 this.options.onComplete = this.updateComplete.bind(this); 1999 this.onTimerEvent(); 2000 }, 2001 2002 stop: function() { 2003 this.updater.options.onComplete = undefined; 2004 clearTimeout(this.timer); 2005 (this.onComplete || Prototype.emptyFunction).apply(this, arguments); 2006 }, 2007 2008 updateComplete: function(response) { 2009 if (this.options.decay) { 2010 this.decay = (response.responseText == this.lastText ? 2011 this.decay * this.options.decay : 1); 2012 2013 this.lastText = response.responseText; 2014 } 2015 this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); 2016 }, 2017 2018 onTimerEvent: function() { 2019 this.updater = new Ajax.Updater(this.container, this.url, this.options); 2020 } 2021 }); 2022 2023 (function(GLOBAL) { 2024 2025 var UNDEFINED; 2026 var SLICE = Array.prototype.slice; 2027 2028 var DIV = document.createElement('div'); 2029 2030 2031 function $(element) { 2032 if (arguments.length > 1) { 2033 for (var i = 0, elements = [], length = arguments.length; i < length; i++) 2034 elements.push($(arguments[i])); 2035 return elements; 2036 } 2037 2038 if (Object.isString(element)) 2039 element = document.getElementById(element); 2040 return Element.extend(element); 2041 } 2042 2043 GLOBAL.$ = $; 2044 2045 2046 if (!GLOBAL.Node) GLOBAL.Node = {}; 2047 2048 if (!GLOBAL.Node.ELEMENT_NODE) { 2049 Object.extend(GLOBAL.Node, { 2050 ELEMENT_NODE: 1, 2051 ATTRIBUTE_NODE: 2, 2052 TEXT_NODE: 3, 2053 CDATA_SECTION_NODE: 4, 2054 ENTITY_REFERENCE_NODE: 5, 2055 ENTITY_NODE: 6, 2056 PROCESSING_INSTRUCTION_NODE: 7, 2057 COMMENT_NODE: 8, 2058 DOCUMENT_NODE: 9, 2059 DOCUMENT_TYPE_NODE: 10, 2060 DOCUMENT_FRAGMENT_NODE: 11, 2061 NOTATION_NODE: 12 2062 }); 2063 } 2064 2065 var ELEMENT_CACHE = {}; 2066 2067 function shouldUseCreationCache(tagName, attributes) { 2068 if (tagName === 'select') return false; 2069 if ('type' in attributes) return false; 2070 return true; 2071 } 2072 2073 var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = Prototype.Browser.IE && (function(){ 2074 try { 2075 var el = document.createElement('<input name="x">'); 2076 return el.tagName.toLowerCase() === 'input' && el.name === 'x'; 2077 } 2078 catch(err) { 2079 return false; 2080 } 2081 })(); 2082 2083 2084 var oldElement = GLOBAL.Element; 2085 function Element(tagName, attributes) { 2086 attributes = attributes || {}; 2087 tagName = tagName.toLowerCase(); 2088 2089 if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) { 2090 tagName = '<' + tagName + ' name="' + attributes.name + '">'; 2091 delete attributes.name; 2092 return Element.writeAttribute(document.createElement(tagName), attributes); 2093 } 2094 2095 if (!ELEMENT_CACHE[tagName]) 2096 ELEMENT_CACHE[tagName] = Element.extend(document.createElement(tagName)); 2097 2098 var node = shouldUseCreationCache(tagName, attributes) ? 2099 ELEMENT_CACHE[tagName].cloneNode(false) : document.createElement(tagName); 2100 2101 return Element.writeAttribute(node, attributes); 2102 } 2103 2104 GLOBAL.Element = Element; 2105 2106 Object.extend(GLOBAL.Element, oldElement || {}); 2107 if (oldElement) GLOBAL.Element.prototype = oldElement.prototype; 2108 2109 Element.Methods = { ByTag: {}, Simulated: {} }; 2110 2111 var methods = {}; 2112 2113 var INSPECT_ATTRIBUTES = { id: 'id', className: 'class' }; 2114 function inspect(element) { 2115 element = $(element); 2116 var result = '<' + element.tagName.toLowerCase(); 2117 2118 var attribute, value; 2119 for (var property in INSPECT_ATTRIBUTES) { 2120 attribute = INSPECT_ATTRIBUTES[property]; 2121 value = (element[property] || '').toString(); 2122 if (value) result += ' ' + attribute + '=' + value.inspect(true); 2123 } 2124 2125 return result + '>'; 2126 } 2127 2128 methods.inspect = inspect; 2129 2130 2131 function visible(element) { 2132 return $(element).style.display !== 'none'; 2133 } 2134 2135 function toggle(element, bool) { 2136 element = $(element); 2137 if (Object.isUndefined(bool)) 2138 bool = !Element.visible(element); 2139 Element[bool ? 'show' : 'hide'](element); 2140 2141 return element; 2142 } 2143 2144 function hide(element) { 2145 element = $(element); 2146 element.style.display = 'none'; 2147 return element; 2148 } 2149 2150 function show(element) { 2151 element = $(element); 2152 element.style.display = ''; 2153 return element; 2154 } 2155 2156 2157 Object.extend(methods, { 2158 visible: visible, 2159 toggle: toggle, 2160 hide: hide, 2161 show: show 2162 }); 2163 2164 2165 function remove(element) { 2166 element = $(element); 2167 element.parentNode.removeChild(element); 2168 return element; 2169 } 2170 2171 var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){ 2172 var el = document.createElement("select"), 2173 isBuggy = true; 2174 el.innerHTML = "<option value=\"test\">test</option>"; 2175 if (el.options && el.options[0]) { 2176 isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION"; 2177 } 2178 el = null; 2179 return isBuggy; 2180 })(); 2181 2182 var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){ 2183 try { 2184 var el = document.createElement("table"); 2185 if (el && el.tBodies) { 2186 el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>"; 2187 var isBuggy = typeof el.tBodies[0] == "undefined"; 2188 el = null; 2189 return isBuggy; 2190 } 2191 } catch (e) { 2192 return true; 2193 } 2194 })(); 2195 2196 var LINK_ELEMENT_INNERHTML_BUGGY = (function() { 2197 try { 2198 var el = document.createElement('div'); 2199 el.innerHTML = "<link />"; 2200 var isBuggy = (el.childNodes.length === 0); 2201 el = null; 2202 return isBuggy; 2203 } catch(e) { 2204 return true; 2205 } 2206 })(); 2207 2208 var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY || 2209 TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY; 2210 2211 var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () { 2212 var s = document.createElement("script"), 2213 isBuggy = false; 2214 try { 2215 s.appendChild(document.createTextNode("")); 2216 isBuggy = !s.firstChild || 2217 s.firstChild && s.firstChild.nodeType !== 3; 2218 } catch (e) { 2219 isBuggy = true; 2220 } 2221 s = null; 2222 return isBuggy; 2223 })(); 2224 2225 function update(element, content) { 2226 element = $(element); 2227 2228 var descendants = element.getElementsByTagName('*'), 2229 i = descendants.length; 2230 while (i--) purgeElement(descendants[i]); 2231 2232 if (content && content.toElement) 2233 content = content.toElement(); 2234 2235 if (Object.isElement(content)) 2236 return element.update().insert(content); 2237 2238 2239 content = Object.toHTML(content); 2240 var tagName = element.tagName.toUpperCase(); 2241 2242 if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) { 2243 element.text = content; 2244 return element; 2245 } 2246 2247 if (ANY_INNERHTML_BUGGY) { 2248 if (tagName in INSERTION_TRANSLATIONS.tags) { 2249 while (element.firstChild) 2250 element.removeChild(element.firstChild); 2251 2252 var nodes = getContentFromAnonymousElement(tagName, content.stripScripts()); 2253 for (var i = 0, node; node = nodes[i]; i++) 2254 element.appendChild(node); 2255 2256 } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) { 2257 while (element.firstChild) 2258 element.removeChild(element.firstChild); 2259 2260 var nodes = getContentFromAnonymousElement(tagName, 2261 content.stripScripts(), true); 2262 2263 for (var i = 0, node; node = nodes[i]; i++) 2264 element.appendChild(node); 2265 } else { 2266 element.innerHTML = content.stripScripts(); 2267 } 2268 } else { 2269 element.innerHTML = content.stripScripts(); 2270 } 2271 2272 content.evalScripts.bind(content).defer(); 2273 return element; 2274 } 2275 2276 function replace(element, content) { 2277 element = $(element); 2278 2279 if (content && content.toElement) { 2280 content = content.toElement(); 2281 } else if (!Object.isElement(content)) { 2282 content = Object.toHTML(content); 2283 var range = element.ownerDocument.createRange(); 2284 range.selectNode(element); 2285 content.evalScripts.bind(content).defer(); 2286 content = range.createContextualFragment(content.stripScripts()); 2287 } 2288 2289 element.parentNode.replaceChild(content, element); 2290 return element; 2291 } 2292 2293 var INSERTION_TRANSLATIONS = { 2294 before: function(element, node) { 2295 element.parentNode.insertBefore(node, element); 2296 }, 2297 top: function(element, node) { 2298 element.insertBefore(node, element.firstChild); 2299 }, 2300 bottom: function(element, node) { 2301 element.appendChild(node); 2302 }, 2303 after: function(element, node) { 2304 element.parentNode.insertBefore(node, element.nextSibling); 2305 }, 2306 2307 tags: { 2308 TABLE: ['<table>', '</table>', 1], 2309 TBODY: ['<table><tbody>', '</tbody></table>', 2], 2310 TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], 2311 TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], 2312 SELECT: ['<select>', '</select>', 1] 2313 } 2314 }; 2315 2316 var tags = INSERTION_TRANSLATIONS.tags; 2317 2318 Object.extend(tags, { 2319 THEAD: tags.TBODY, 2320 TFOOT: tags.TBODY, 2321 TH: tags.TD 2322 }); 2323 2324 function replace_IE(element, content) { 2325 element = $(element); 2326 if (content && content.toElement) 2327 content = content.toElement(); 2328 if (Object.isElement(content)) { 2329 element.parentNode.replaceChild(content, element); 2330 return element; 2331 } 2332 2333 content = Object.toHTML(content); 2334 var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); 2335 2336 if (tagName in INSERTION_TRANSLATIONS.tags) { 2337 var nextSibling = Element.next(element); 2338 var fragments = getContentFromAnonymousElement( 2339 tagName, content.stripScripts()); 2340 2341 parent.removeChild(element); 2342 2343 var iterator; 2344 if (nextSibling) 2345 iterator = function(node) { parent.insertBefore(node, nextSibling) }; 2346 else 2347 iterator = function(node) { parent.appendChild(node); } 2348 2349 fragments.each(iterator); 2350 } else { 2351 element.outerHTML = content.stripScripts(); 2352 } 2353 2354 content.evalScripts.bind(content).defer(); 2355 return element; 2356 } 2357 2358 if ('outerHTML' in document.documentElement) 2359 replace = replace_IE; 2360 2361 function isContent(content) { 2362 if (Object.isUndefined(content) || content === null) return false; 2363 2364 if (Object.isString(content) || Object.isNumber(content)) return true; 2365 if (Object.isElement(content)) return true; 2366 if (content.toElement || content.toHTML) return true; 2367 2368 return false; 2369 } 2370 2371 function insertContentAt(element, content, position) { 2372 position = position.toLowerCase(); 2373 var method = INSERTION_TRANSLATIONS[position]; 2374 2375 if (content && content.toElement) content = content.toElement(); 2376 if (Object.isElement(content)) { 2377 method(element, content); 2378 return element; 2379 } 2380 2381 content = Object.toHTML(content); 2382 var tagName = ((position === 'before' || position === 'after') ? 2383 element.parentNode : element).tagName.toUpperCase(); 2384 2385 var childNodes = getContentFromAnonymousElement(tagName, content.stripScripts()); 2386 2387 if (position === 'top' || position === 'after') childNodes.reverse(); 2388 2389 for (var i = 0, node; node = childNodes[i]; i++) 2390 method(element, node); 2391 2392 content.evalScripts.bind(content).defer(); 2393 } 2394 2395 function insert(element, insertions) { 2396 element = $(element); 2397 2398 if (isContent(insertions)) 2399 insertions = { bottom: insertions }; 2400 2401 for (var position in insertions) 2402 insertContentAt(element, insertions[position], position); 2403 2404 return element; 2405 } 2406 2407 function wrap(element, wrapper, attributes) { 2408 element = $(element); 2409 2410 if (Object.isElement(wrapper)) { 2411 $(wrapper).writeAttribute(attributes || {}); 2412 } else if (Object.isString(wrapper)) { 2413 wrapper = new Element(wrapper, attributes); 2414 } else { 2415 wrapper = new Element('div', wrapper); 2416 } 2417 2418 if (element.parentNode) 2419 element.parentNode.replaceChild(wrapper, element); 2420 2421 wrapper.appendChild(element); 2422 2423 return wrapper; 2424 } 2425 2426 function cleanWhitespace(element) { 2427 element = $(element); 2428 var node = element.firstChild; 2429 2430 while (node) { 2431 var nextNode = node.nextSibling; 2432 if (node.nodeType === Node.TEXT_NODE && !/\S/.test(node.nodeValue)) 2433 element.removeChild(node); 2434 node = nextNode; 2435 } 2436 return element; 2437 } 2438 2439 function empty(element) { 2440 return $(element).innerHTML.blank(); 2441 } 2442 2443 function getContentFromAnonymousElement(tagName, html, force) { 2444 var t = INSERTION_TRANSLATIONS.tags[tagName], div = DIV; 2445 2446 var workaround = !!t; 2447 if (!workaround && force) { 2448 workaround = true; 2449 t = ['', '', 0]; 2450 } 2451 2452 if (workaround) { 2453 div.innerHTML = ' ' + t[0] + html + t[1]; 2454 div.removeChild(div.firstChild); 2455 for (var i = t[2]; i--; ) 2456 div = div.firstChild; 2457 } else { 2458 div.innerHTML = html; 2459 } 2460 2461 return $A(div.childNodes); 2462 } 2463 2464 function clone(element, deep) { 2465 if (!(element = $(element))) return; 2466 var clone = element.cloneNode(deep); 2467 if (!HAS_UNIQUE_ID_PROPERTY) { 2468 clone._prototypeUID = UNDEFINED; 2469 if (deep) { 2470 var descendants = Element.select(clone, '*'), 2471 i = descendants.length; 2472 while (i--) 2473 descendants[i]._prototypeUID = UNDEFINED; 2474 } 2475 } 2476 return Element.extend(clone); 2477 } 2478 2479 function purgeElement(element) { 2480 var uid = getUniqueElementID(element); 2481 if (uid) { 2482 Element.stopObserving(element); 2483 if (!HAS_UNIQUE_ID_PROPERTY) 2484 element._prototypeUID = UNDEFINED; 2485 delete Element.Storage[uid]; 2486 } 2487 } 2488 2489 function purgeCollection(elements) { 2490 var i = elements.length; 2491 while (i--) 2492 purgeElement(elements[i]); 2493 } 2494 2495 function purgeCollection_IE(elements) { 2496 var i = elements.length, element, uid; 2497 while (i--) { 2498 element = elements[i]; 2499 uid = getUniqueElementID(element); 2500 delete Element.Storage[uid]; 2501 delete Event.cache[uid]; 2502 } 2503 } 2504 2505 if (HAS_UNIQUE_ID_PROPERTY) { 2506 purgeCollection = purgeCollection_IE; 2507 } 2508 2509 2510 function purge(element) { 2511 if (!(element = $(element))) return; 2512 purgeElement(element); 2513 2514 var descendants = element.getElementsByTagName('*'), 2515 i = descendants.length; 2516 2517 while (i--) purgeElement(descendants[i]); 2518 2519 return null; 2520 } 2521 2522 Object.extend(methods, { 2523 remove: remove, 2524 update: update, 2525 replace: replace, 2526 insert: insert, 2527 wrap: wrap, 2528 cleanWhitespace: cleanWhitespace, 2529 empty: empty, 2530 clone: clone, 2531 purge: purge 2532 }); 2533 2534 2535 2536 function recursivelyCollect(element, property, maximumLength) { 2537 element = $(element); 2538 maximumLength = maximumLength || -1; 2539 var elements = []; 2540 2541 while (element = element[property]) { 2542 if (element.nodeType === Node.ELEMENT_NODE) 2543 elements.push(Element.extend(element)); 2544 2545 if (elements.length === maximumLength) break; 2546 } 2547 2548 return elements; 2549 } 2550 2551 2552 function ancestors(element) { 2553 return recursivelyCollect(element, 'parentNode'); 2554 } 2555 2556 function descendants(element) { 2557 return Element.select(element, '*'); 2558 } 2559 2560 function firstDescendant(element) { 2561 element = $(element).firstChild; 2562 while (element && element.nodeType !== Node.ELEMENT_NODE) 2563 element = element.nextSibling; 2564 2565 return $(element); 2566 } 2567 2568 function immediateDescendants(element) { 2569 var results = [], child = $(element).firstChild; 2570 2571 while (child) { 2572 if (child.nodeType === Node.ELEMENT_NODE) 2573 results.push(Element.extend(child)); 2574 2575 child = child.nextSibling; 2576 } 2577 2578 return results; 2579 } 2580 2581 function previousSiblings(element) { 2582 return recursivelyCollect(element, 'previousSibling'); 2583 } 2584 2585 function nextSiblings(element) { 2586 return recursivelyCollect(element, 'nextSibling'); 2587 } 2588 2589 function siblings(element) { 2590 element = $(element); 2591 var previous = previousSiblings(element), 2592 next = nextSiblings(element); 2593 return previous.reverse().concat(next); 2594 } 2595 2596 function match(element, selector) { 2597 element = $(element); 2598 2599 if (Object.isString(selector)) 2600 return Prototype.Selector.match(element, selector); 2601 2602 return selector.match(element); 2603 } 2604 2605 2606 function _recursivelyFind(element, property, expression, index) { 2607 element = $(element), expression = expression || 0, index = index || 0; 2608 if (Object.isNumber(expression)) { 2609 index = expression, expression = null; 2610 } 2611 2612 while (element = element[property]) { 2613 if (element.nodeType !== 1) continue; 2614 if (expression && !Prototype.Selector.match(element, expression)) 2615 continue; 2616 if (--index >= 0) continue; 2617 2618 return Element.extend(element); 2619 } 2620 } 2621 2622 2623 function up(element, expression, index) { 2624 element = $(element); 2625 2626 if (arguments.length === 1) return $(element.parentNode); 2627 return _recursivelyFind(element, 'parentNode', expression, index); 2628 } 2629 2630 function down(element, expression, index) { 2631 element = $(element), expression = expression || 0, index = index || 0; 2632 2633 if (Object.isNumber(expression)) 2634 index = expression, expression = '*'; 2635 2636 var node = Prototype.Selector.select(expression, element)[index]; 2637 return Element.extend(node); 2638 } 2639 2640 function previous(element, expression, index) { 2641 return _recursivelyFind(element, 'previousSibling', expression, index); 2642 } 2643 2644 function next(element, expression, index) { 2645 return _recursivelyFind(element, 'nextSibling', expression, index); 2646 } 2647 2648 function select(element) { 2649 element = $(element); 2650 var expressions = SLICE.call(arguments, 1).join(', '); 2651 return Prototype.Selector.select(expressions, element); 2652 } 2653 2654 function adjacent(element) { 2655 element = $(element); 2656 var expressions = SLICE.call(arguments, 1).join(', '); 2657 var siblings = Element.siblings(element), results = []; 2658 for (var i = 0, sibling; sibling = siblings[i]; i++) { 2659 if (Prototype.Selector.match(sibling, expressions)) 2660 results.push(sibling); 2661 } 2662 2663 return results; 2664 } 2665 2666 function descendantOf_DOM(element, ancestor) { 2667 element = $(element), ancestor = $(ancestor); 2668 while (element = element.parentNode) 2669 if (element === ancestor) return true; 2670 return false; 2671 } 2672 2673 function descendantOf_contains(element, ancestor) { 2674 element = $(element), ancestor = $(ancestor); 2675 if (!ancestor.contains) return descendantOf_DOM(element, ancestor); 2676 return ancestor.contains(element) && ancestor !== element; 2677 } 2678 2679 function descendantOf_compareDocumentPosition(element, ancestor) { 2680 element = $(element), ancestor = $(ancestor); 2681 return (element.compareDocumentPosition(ancestor) & 8) === 8; 2682 } 2683 2684 var descendantOf; 2685 if (DIV.compareDocumentPosition) { 2686 descendantOf = descendantOf_compareDocumentPosition; 2687 } else if (DIV.contains) { 2688 descendantOf = descendantOf_contains; 2689 } else { 2690 descendantOf = descendantOf_DOM; 2691 } 2692 2693 2694 Object.extend(methods, { 2695 recursivelyCollect: recursivelyCollect, 2696 ancestors: ancestors, 2697 descendants: descendants, 2698 firstDescendant: firstDescendant, 2699 immediateDescendants: immediateDescendants, 2700 previousSiblings: previousSiblings, 2701 nextSiblings: nextSiblings, 2702 siblings: siblings, 2703 match: match, 2704 up: up, 2705 down: down, 2706 previous: previous, 2707 next: next, 2708 select: select, 2709 adjacent: adjacent, 2710 descendantOf: descendantOf, 2711 2712 getElementsBySelector: select, 2713 2714 childElements: immediateDescendants 2715 }); 2716 2717 2718 var idCounter = 1; 2719 function identify(element) { 2720 element = $(element); 2721 var id = Element.readAttribute(element, 'id'); 2722 if (id) return id; 2723 2724 do { id = 'anonymous_element_' + idCounter++ } while ($(id)); 2725 2726 Element.writeAttribute(element, 'id', id); 2727 return id; 2728 } 2729 2730 2731 function readAttribute(element, name) { 2732 return $(element).getAttribute(name); 2733 } 2734 2735 function readAttribute_IE(element, name) { 2736 element = $(element); 2737 2738 var table = ATTRIBUTE_TRANSLATIONS.read; 2739 if (table.values[name]) 2740 return table.values[name](element, name); 2741 2742 if (table.names[name]) name = table.names[name]; 2743 2744 if (name.include(':')) { 2745 if (!element.attributes || !element.attributes[name]) return null; 2746 return element.attributes[name].value; 2747 } 2748 2749 return element.getAttribute(name); 2750 } 2751 2752 function readAttribute_Opera(element, name) { 2753 if (name === 'title') return element.title; 2754 return element.getAttribute(name); 2755 } 2756 2757 var PROBLEMATIC_ATTRIBUTE_READING = (function() { 2758 DIV.setAttribute('onclick', Prototype.emptyFunction); 2759 var value = DIV.getAttribute('onclick'); 2760 var isFunction = (typeof value === 'function'); 2761 DIV.removeAttribute('onclick'); 2762 return isFunction; 2763 })(); 2764 2765 if (PROBLEMATIC_ATTRIBUTE_READING) { 2766 readAttribute = readAttribute_IE; 2767 } else if (Prototype.Browser.Opera) { 2768 readAttribute = readAttribute_Opera; 2769 } 2770 2771 2772 function writeAttribute(element, name, value) { 2773 element = $(element); 2774 var attributes = {}, table = ATTRIBUTE_TRANSLATIONS.write; 2775 2776 if (typeof name === 'object') { 2777 attributes = name; 2778 } else { 2779 attributes[name] = Object.isUndefined(value) ? true : value; 2780 } 2781 2782 for (var attr in attributes) { 2783 name = table.names[attr] || attr; 2784 value = attributes[attr]; 2785 if (table.values[attr]) 2786 name = table.values[attr](element, value); 2787 if (value === false || value === null) 2788 element.removeAttribute(name); 2789 else if (value === true) 2790 element.setAttribute(name, name); 2791 else element.setAttribute(name, value); 2792 } 2793 2794 return element; 2795 } 2796 2797 function hasAttribute(element, attribute) { 2798 attribute = ATTRIBUTE_TRANSLATIONS.has[attribute] || attribute; 2799 var node = $(element).getAttributeNode(attribute); 2800 return !!(node && node.specified); 2801 } 2802 2803 GLOBAL.Element.Methods.Simulated.hasAttribute = hasAttribute; 2804 2805 function classNames(element) { 2806 return new Element.ClassNames(element); 2807 } 2808 2809 var regExpCache = {}; 2810 function getRegExpForClassName(className) { 2811 if (regExpCache[className]) return regExpCache[className]; 2812 2813 var re = new RegExp("(^|\\s+)" + className + "(\\s+|$)"); 2814 regExpCache[className] = re; 2815 return re; 2816 } 2817 2818 function hasClassName(element, className) { 2819 if (!(element = $(element))) return; 2820 2821 var elementClassName = element.className; 2822 2823 if (elementClassName.length === 0) return false; 2824 if (elementClassName === className) return true; 2825 2826 return getRegExpForClassName(className).test(elementClassName); 2827 } 2828 2829 function addClassName(element, className) { 2830 if (!(element = $(element))) return; 2831 2832 if (!hasClassName(element, className)) 2833 element.className += (element.className ? ' ' : '') + className; 2834 2835 return element; 2836 } 2837 2838 function removeClassName(element, className) { 2839 if (!(element = $(element))) return; 2840 2841 element.className = element.className.replace( 2842 getRegExpForClassName(className), ' ').strip(); 2843 2844 return element; 2845 } 2846 2847 function toggleClassName(element, className, bool) { 2848 if (!(element = $(element))) return; 2849 2850 if (Object.isUndefined(bool)) 2851 bool = !hasClassName(element, className); 2852 2853 var method = Element[bool ? 'addClassName' : 'removeClassName']; 2854 return method(element, className); 2855 } 2856 2857 var ATTRIBUTE_TRANSLATIONS = {}; 2858 2859 var classProp = 'className', forProp = 'for'; 2860 2861 DIV.setAttribute(classProp, 'x'); 2862 if (DIV.className !== 'x') { 2863 DIV.setAttribute('class', 'x'); 2864 if (DIV.className === 'x') 2865 classProp = 'class'; 2866 } 2867 2868 var LABEL = document.createElement('label'); 2869 LABEL.setAttribute(forProp, 'x'); 2870 if (LABEL.htmlFor !== 'x') { 2871 LABEL.setAttribute('htmlFor', 'x'); 2872 if (LABEL.htmlFor === 'x') 2873 forProp = 'htmlFor'; 2874 } 2875 LABEL = null; 2876 2877 function _getAttr(element, attribute) { 2878 return element.getAttribute(attribute); 2879 } 2880 2881 function _getAttr2(element, attribute) { 2882 return element.getAttribute(attribute, 2); 2883 } 2884 2885 function _getAttrNode(element, attribute) { 2886 var node = element.getAttributeNode(attribute); 2887 return node ? node.value : ''; 2888 } 2889 2890 function _getFlag(element, attribute) { 2891 return $(element).hasAttribute(attribute) ? attribute : null; 2892 } 2893 2894 DIV.onclick = Prototype.emptyFunction; 2895 var onclickValue = DIV.getAttribute('onclick'); 2896 2897 var _getEv; 2898 2899 if (String(onclickValue).indexOf('{') > -1) { 2900 _getEv = function(element, attribute) { 2901 var value = element.getAttribute(attribute); 2902 if (!value) return null; 2903 value = value.toString(); 2904 value = value.split('{')[1]; 2905 value = value.split('}')[0]; 2906 return value.strip(); 2907 }; 2908 } 2909 else if (onclickValue === '') { 2910 _getEv = function(element, attribute) { 2911 var value = element.getAttribute(attribute); 2912 if (!value) return null; 2913 return value.strip(); 2914 }; 2915 } 2916 2917 ATTRIBUTE_TRANSLATIONS.read = { 2918 names: { 2919 'class': classProp, 2920 'className': classProp, 2921 'for': forProp, 2922 'htmlFor': forProp 2923 }, 2924 2925 values: { 2926 style: function(element) { 2927 return element.style.cssText.toLowerCase(); 2928 }, 2929 title: function(element) { 2930 return element.title; 2931 } 2932 } 2933 }; 2934 2935 ATTRIBUTE_TRANSLATIONS.write = { 2936 names: { 2937 className: 'class', 2938 htmlFor: 'for', 2939 cellpadding: 'cellPadding', 2940 cellspacing: 'cellSpacing' 2941 }, 2942 2943 values: { 2944 checked: function(element, value) { 2945 element.checked = !!value; 2946 }, 2947 2948 style: function(element, value) { 2949 element.style.cssText = value ? value : ''; 2950 } 2951 } 2952 }; 2953 2954 ATTRIBUTE_TRANSLATIONS.has = { names: {} }; 2955 2956 Object.extend(ATTRIBUTE_TRANSLATIONS.write.names, 2957 ATTRIBUTE_TRANSLATIONS.read.names); 2958 2959 var CAMEL_CASED_ATTRIBUTE_NAMES = $w('colSpan rowSpan vAlign dateTime ' + 2960 'accessKey tabIndex encType maxLength readOnly longDesc frameBorder'); 2961 2962 for (var i = 0, attr; attr = CAMEL_CASED_ATTRIBUTE_NAMES[i]; i++) { 2963 ATTRIBUTE_TRANSLATIONS.write.names[attr.toLowerCase()] = attr; 2964 ATTRIBUTE_TRANSLATIONS.has.names[attr.toLowerCase()] = attr; 2965 } 2966 2967 Object.extend(ATTRIBUTE_TRANSLATIONS.read.values, { 2968 href: _getAttr2, 2969 src: _getAttr2, 2970 type: _getAttr, 2971 action: _getAttrNode, 2972 disabled: _getFlag, 2973 checked: _getFlag, 2974 readonly: _getFlag, 2975 multiple: _getFlag, 2976 onload: _getEv, 2977 onunload: _getEv, 2978 onclick: _getEv, 2979 ondblclick: _getEv, 2980 onmousedown: _getEv, 2981 onmouseup: _getEv, 2982 onmouseover: _getEv, 2983 onmousemove: _getEv, 2984 onmouseout: _getEv, 2985 onfocus: _getEv, 2986 onblur: _getEv, 2987 onkeypress: _getEv, 2988 onkeydown: _getEv, 2989 onkeyup: _getEv, 2990 onsubmit: _getEv, 2991 onreset: _getEv, 2992 onselect: _getEv, 2993 onchange: _getEv 2994 }); 2995 2996 2997 Object.extend(methods, { 2998 identify: identify, 2999 readAttribute: readAttribute, 3000 writeAttribute: writeAttribute, 3001 classNames: classNames, 3002 hasClassName: hasClassName, 3003 addClassName: addClassName, 3004 removeClassName: removeClassName, 3005 toggleClassName: toggleClassName 3006 }); 3007 3008 3009 function normalizeStyleName(style) { 3010 if (style === 'float' || style === 'styleFloat') 3011 return 'cssFloat'; 3012 return style.camelize(); 3013 } 3014 3015 function normalizeStyleName_IE(style) { 3016 if (style === 'float' || style === 'cssFloat') 3017 return 'styleFloat'; 3018 return style.camelize(); 3019 } 3020 3021 function setStyle(element, styles) { 3022 element = $(element); 3023 var elementStyle = element.style, match; 3024 3025 if (Object.isString(styles)) { 3026 elementStyle.cssText += ';' + styles; 3027 if (styles.include('opacity')) { 3028 var opacity = styles.match(/opacity:\s*(\d?\.?\d*)/)[1]; 3029 Element.setOpacity(element, opacity); 3030 } 3031 return element; 3032 } 3033 3034 for (var property in styles) { 3035 if (property === 'opacity') { 3036 Element.setOpacity(element, styles[property]); 3037 } else { 3038 var value = styles[property]; 3039 if (property === 'float' || property === 'cssFloat') { 3040 property = Object.isUndefined(elementStyle.styleFloat) ? 3041 'cssFloat' : 'styleFloat'; 3042 } 3043 elementStyle[property] = value; 3044 } 3045 } 3046 3047 return element; 3048 } 3049 3050 3051 function getStyle(element, style) { 3052 element = $(element); 3053 style = normalizeStyleName(style); 3054 3055 var value = element.style[style]; 3056 if (!value || value === 'auto') { 3057 var css = document.defaultView.getComputedStyle(element, null); 3058 value = css ? css[style] : null; 3059 } 3060 3061 if (style === 'opacity') return value ? parseFloat(value) : 1.0; 3062 return value === 'auto' ? null : value; 3063 } 3064 3065 function getStyle_Opera(element, style) { 3066 switch (style) { 3067 case 'height': case 'width': 3068 if (!Element.visible(element)) return null; 3069 3070 var dim = parseInt(getStyle(element, style), 10); 3071 3072 if (dim !== element['offset' + style.capitalize()]) 3073 return dim + 'px'; 3074 3075 return Element.measure(element, style); 3076 3077 default: return getStyle(element, style); 3078 } 3079 } 3080 3081 function getStyle_IE(element, style) { 3082 element = $(element); 3083 style = normalizeStyleName_IE(style); 3084 3085 var value = element.style[style]; 3086 if (!value && element.currentStyle) { 3087 value = element.currentStyle[style]; 3088 } 3089 3090 if (style === 'opacity' && !STANDARD_CSS_OPACITY_SUPPORTED) 3091 return getOpacity_IE(element); 3092 3093 if (value === 'auto') { 3094 if ((style === 'width' || style === 'height') && Element.visible(element)) 3095 return Element.measure(element, style) + 'px'; 3096 return null; 3097 } 3098 3099 return value; 3100 } 3101 3102 function stripAlphaFromFilter_IE(filter) { 3103 return (filter || '').replace(/alpha\([^\)]*\)/gi, ''); 3104 } 3105 3106 function hasLayout_IE(element) { 3107 if (!element.currentStyle.hasLayout) 3108 element.style.zoom = 1; 3109 return element; 3110 } 3111 3112 var STANDARD_CSS_OPACITY_SUPPORTED = (function() { 3113 DIV.style.cssText = "opacity:.55"; 3114 return /^0.55/.test(DIV.style.opacity); 3115 })(); 3116 3117 function setOpacity(element, value) { 3118 element = $(element); 3119 if (value == 1 || value === '') value = ''; 3120 else if (value < 0.00001) value = 0; 3121 element.style.opacity = value; 3122 return element; 3123 } 3124 3125 function setOpacity_IE(element, value) { 3126 if (STANDARD_CSS_OPACITY_SUPPORTED) 3127 return setOpacity(element, value); 3128 3129 element = hasLayout_IE($(element)); 3130 var filter = Element.getStyle(element, 'filter'), 3131 style = element.style; 3132 3133 if (value == 1 || value === '') { 3134 filter = stripAlphaFromFilter_IE(filter); 3135 if (filter) style.filter = filter; 3136 else style.removeAttribute('filter'); 3137 return element; 3138 } 3139 3140 if (value < 0.00001) value = 0; 3141 3142 style.filter = stripAlphaFromFilter_IE(filter) + 3143 'alpha(opacity=' + (value * 100) + ')'; 3144 3145 return element; 3146 } 3147 3148 3149 function getOpacity(element) { 3150 return Element.getStyle(element, 'opacity'); 3151 } 3152 3153 function getOpacity_IE(element) { 3154 if (STANDARD_CSS_OPACITY_SUPPORTED) 3155 return getOpacity(element); 3156 3157 var filter = Element.getStyle(element, 'filter'); 3158 if (filter.length === 0) return 1.0; 3159 var match = (filter || '').match(/alpha\(opacity=(.*)\)/); 3160 if (match[1]) return parseFloat(match[1]) / 100; 3161 return 1.0; 3162 } 3163 3164 3165 Object.extend(methods, { 3166 setStyle: setStyle, 3167 getStyle: getStyle, 3168 setOpacity: setOpacity, 3169 getOpacity: getOpacity 3170 }); 3171 3172 if ('styleFloat' in DIV.style) { 3173 methods.getStyle = getStyle_IE; 3174 methods.setOpacity = setOpacity_IE; 3175 methods.getOpacity = getOpacity_IE; 3176 } 3177 3178 var UID = 0; 3179 3180 GLOBAL.Element.Storage = { UID: 1 }; 3181 3182 function getUniqueElementID(element) { 3183 if (element === window) return 0; 3184 3185 if (typeof element._prototypeUID === 'undefined') 3186 element._prototypeUID = Element.Storage.UID++; 3187 return element._prototypeUID; 3188 } 3189 3190 function getUniqueElementID_IE(element) { 3191 if (element === window) return 0; 3192 if (element == document) return 1; 3193 return element.uniqueID; 3194 } 3195 3196 var HAS_UNIQUE_ID_PROPERTY = ('uniqueID' in DIV); 3197 if (HAS_UNIQUE_ID_PROPERTY) 3198 getUniqueElementID = getUniqueElementID_IE; 3199 3200 function getStorage(element) { 3201 if (!(element = $(element))) return; 3202 3203 var uid = getUniqueElementID(element); 3204 3205 if (!Element.Storage[uid]) 3206 Element.Storage[uid] = $H(); 3207 3208 return Element.Storage[uid]; 3209 } 3210 3211 function store(element, key, value) { 3212 if (!(element = $(element))) return; 3213 var storage = getStorage(element); 3214 if (arguments.length === 2) { 3215 storage.update(key); 3216 } else { 3217 storage.set(key, value); 3218 } 3219 return element; 3220 } 3221 3222 function retrieve(element, key, defaultValue) { 3223 if (!(element = $(element))) return; 3224 var storage = getStorage(element), value = storage.get(key); 3225 3226 if (Object.isUndefined(value)) { 3227 storage.set(key, defaultValue); 3228 value = defaultValue; 3229 } 3230 3231 return value; 3232 } 3233 3234 3235 Object.extend(methods, { 3236 getStorage: getStorage, 3237 store: store, 3238 retrieve: retrieve 3239 }); 3240 3241 3242 var Methods = {}, ByTag = Element.Methods.ByTag, 3243 F = Prototype.BrowserFeatures; 3244 3245 if (!F.ElementExtensions && ('__proto__' in DIV)) { 3246 GLOBAL.HTMLElement = {}; 3247 GLOBAL.HTMLElement.prototype = DIV['__proto__']; 3248 F.ElementExtensions = true; 3249 } 3250 3251 function checkElementPrototypeDeficiency(tagName) { 3252 if (typeof window.Element === 'undefined') return false; 3253 var proto = window.Element.prototype; 3254 if (proto) { 3255 var id = '_' + (Math.random() + '').slice(2), 3256 el = document.createElement(tagName); 3257 proto[id] = 'x'; 3258 var isBuggy = (el[id] !== 'x'); 3259 delete proto[id]; 3260 el = null; 3261 return isBuggy; 3262 } 3263 3264 return false; 3265 } 3266 3267 var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = 3268 checkElementPrototypeDeficiency('object'); 3269 3270 function extendElementWith(element, methods) { 3271 for (var property in methods) { 3272 var value = methods[property]; 3273 if (Object.isFunction(value) && !(property in element)) 3274 element[property] = value.methodize(); 3275 } 3276 } 3277 3278 var EXTENDED = {}; 3279 function elementIsExtended(element) { 3280 var uid = getUniqueElementID(element); 3281 return (uid in EXTENDED); 3282 } 3283 3284 function extend(element) { 3285 if (!element || elementIsExtended(element)) return element; 3286 if (element.nodeType !== Node.ELEMENT_NODE || element == window) 3287 return element; 3288 3289 var methods = Object.clone(Methods), 3290 tagName = element.tagName.toUpperCase(); 3291 3292 if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); 3293 3294 extendElementWith(element, methods); 3295 EXTENDED[getUniqueElementID(element)] = true; 3296 return element; 3297 } 3298 3299 function extend_IE8(element) { 3300 if (!element || elementIsExtended(element)) return element; 3301 3302 var t = element.tagName; 3303 if (t && (/^(?:object|applet|embed)$/i.test(t))) { 3304 extendElementWith(element, Element.Methods); 3305 extendElementWith(element, Element.Methods.Simulated); 3306 extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]); 3307 } 3308 3309 return element; 3310 } 3311 3312 if (F.SpecificElementExtensions) { 3313 extend = HTMLOBJECTELEMENT_PROTOTYPE_BUGGY ? extend_IE8 : Prototype.K; 3314 } 3315 3316 function addMethodsToTagName(tagName, methods) { 3317 tagName = tagName.toUpperCase(); 3318 if (!ByTag[tagName]) ByTag[tagName] = {}; 3319 Object.extend(ByTag[tagName], methods); 3320 } 3321 3322 function mergeMethods(destination, methods, onlyIfAbsent) { 3323 if (Object.isUndefined(onlyIfAbsent)) onlyIfAbsent = false; 3324 for (var property in methods) { 3325 var value = methods[property]; 3326 if (!Object.isFunction(value)) continue; 3327 if (!onlyIfAbsent || !(property in destination)) 3328 destination[property] = value.methodize(); 3329 } 3330 } 3331 3332 function findDOMClass(tagName) { 3333 var klass; 3334 var trans = { 3335 "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", 3336 "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", 3337 "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", 3338 "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", 3339 "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": 3340 "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": 3341 "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": 3342 "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": 3343 "FrameSet", "IFRAME": "IFrame" 3344 }; 3345 if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; 3346 if (window[klass]) return window[klass]; 3347 klass = 'HTML' + tagName + 'Element'; 3348 if (window[klass]) return window[klass]; 3349 klass = 'HTML' + tagName.capitalize() + 'Element'; 3350 if (window[klass]) return window[klass]; 3351 3352 var element = document.createElement(tagName), 3353 proto = element['__proto__'] || element.constructor.prototype; 3354 3355 element = null; 3356 return proto; 3357 } 3358 3359 function addMethods(methods) { 3360 if (arguments.length === 0) addFormMethods(); 3361 3362 if (arguments.length === 2) { 3363 var tagName = methods; 3364 methods = arguments[1]; 3365 } 3366 3367 if (!tagName) { 3368 Object.extend(Element.Methods, methods || {}); 3369 } else { 3370 if (Object.isArray(tagName)) { 3371 for (var i = 0, tag; tag = tagName[i]; i++) 3372 addMethodsToTagName(tag, methods); 3373 } else { 3374 addMethodsToTagName(tagName, methods); 3375 } 3376 } 3377 3378 var ELEMENT_PROTOTYPE = window.HTMLElement ? HTMLElement.prototype : 3379 Element.prototype; 3380 3381 if (F.ElementExtensions) { 3382 mergeMethods(ELEMENT_PROTOTYPE, Element.Methods); 3383 mergeMethods(ELEMENT_PROTOTYPE, Element.Methods.Simulated, true); 3384 } 3385 3386 if (F.SpecificElementExtensions) { 3387 for (var tag in Element.Methods.ByTag) { 3388 var klass = findDOMClass(tag); 3389 if (Object.isUndefined(klass)) continue; 3390 mergeMethods(klass.prototype, ByTag[tag]); 3391 } 3392 } 3393 3394 Object.extend(Element, Element.Methods); 3395 Object.extend(Element, Element.Methods.Simulated); 3396 delete Element.ByTag; 3397 delete Element.Simulated; 3398 3399 Element.extend.refresh(); 3400 3401 ELEMENT_CACHE = {}; 3402 } 3403 3404 Object.extend(GLOBAL.Element, { 3405 extend: extend, 3406 addMethods: addMethods 3407 }); 3408 3409 if (extend === Prototype.K) { 3410 GLOBAL.Element.extend.refresh = Prototype.emptyFunction; 3411 } else { 3412 GLOBAL.Element.extend.refresh = function() { 3413 if (Prototype.BrowserFeatures.ElementExtensions) return; 3414 Object.extend(Methods, Element.Methods); 3415 Object.extend(Methods, Element.Methods.Simulated); 3416 3417 EXTENDED = {}; 3418 }; 3419 } 3420 3421 function addFormMethods() { 3422 Object.extend(Form, Form.Methods); 3423 Object.extend(Form.Element, Form.Element.Methods); 3424 Object.extend(Element.Methods.ByTag, { 3425 "FORM": Object.clone(Form.Methods), 3426 "INPUT": Object.clone(Form.Element.Methods), 3427 "SELECT": Object.clone(Form.Element.Methods), 3428 "TEXTAREA": Object.clone(Form.Element.Methods), 3429 "BUTTON": Object.clone(Form.Element.Methods) 3430 }); 3431 } 3432 3433 Element.addMethods(methods); 3434 3435 })(this); 3436 (function() { 3437 3438 function toDecimal(pctString) { 3439 var match = pctString.match(/^(\d+)%?$/i); 3440 if (!match) return null; 3441 return (Number(match[1]) / 100); 3442 } 3443 3444 function getRawStyle(element, style) { 3445 element = $(element); 3446 3447 var value = element.style[style]; 3448 if (!value || value === 'auto') { 3449 var css = document.defaultView.getComputedStyle(element, null); 3450 value = css ? css[style] : null; 3451 } 3452 3453 if (style === 'opacity') return value ? parseFloat(value) : 1.0; 3454 return value === 'auto' ? null : value; 3455 } 3456 3457 function getRawStyle_IE(element, style) { 3458 var value = element.style[style]; 3459 if (!value && element.currentStyle) { 3460 value = element.currentStyle[style]; 3461 } 3462 return value; 3463 } 3464 3465 function getContentWidth(element, context) { 3466 var boxWidth = element.offsetWidth; 3467 3468 var bl = getPixelValue(element, 'borderLeftWidth', context) || 0; 3469 var br = getPixelValue(element, 'borderRightWidth', context) || 0; 3470 var pl = getPixelValue(element, 'paddingLeft', context) || 0; 3471 var pr = getPixelValue(element, 'paddingRight', context) || 0; 3472 3473 return boxWidth - bl - br - pl - pr; 3474 } 3475 3476 if ('currentStyle' in document.documentElement) { 3477 getRawStyle = getRawStyle_IE; 3478 } 3479 3480 3481 function getPixelValue(value, property, context) { 3482 var element = null; 3483 if (Object.isElement(value)) { 3484 element = value; 3485 value = getRawStyle(element, property); 3486 } 3487 3488 if (value === null || Object.isUndefined(value)) { 3489 return null; 3490 } 3491 3492 if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) { 3493 return window.parseFloat(value); 3494 } 3495 3496 var isPercentage = value.include('%'), isViewport = (context === document.viewport); 3497 3498 if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) { 3499 var style = element.style.left, rStyle = element.runtimeStyle.left; 3500 element.runtimeStyle.left = element.currentStyle.left; 3501 element.style.left = value || 0; 3502 value = element.style.pixelLeft; 3503 element.style.left = style; 3504 element.runtimeStyle.left = rStyle; 3505 3506 return value; 3507 } 3508 3509 if (element && isPercentage) { 3510 context = context || element.parentNode; 3511 var decimal = toDecimal(value), whole = null; 3512 3513 var isHorizontal = property.include('left') || property.include('right') || 3514 property.include('width'); 3515 3516 var isVertical = property.include('top') || property.include('bottom') || 3517 property.include('height'); 3518 3519 if (context === document.viewport) { 3520 if (isHorizontal) { 3521 whole = document.viewport.getWidth(); 3522 } else if (isVertical) { 3523 whole = document.viewport.getHeight(); 3524 } 3525 } else { 3526 if (isHorizontal) { 3527 whole = $(context).measure('width'); 3528 } else if (isVertical) { 3529 whole = $(context).measure('height'); 3530 } 3531 } 3532 3533 return (whole === null) ? 0 : whole * decimal; 3534 } 3535 3536 return 0; 3537 } 3538 3539 function toCSSPixels(number) { 3540 if (Object.isString(number) && number.endsWith('px')) 3541 return number; 3542 return number + 'px'; 3543 } 3544 3545 function isDisplayed(element) { 3546 while (element && element.parentNode) { 3547 var display = element.getStyle('display'); 3548 if (display === 'none') { 3549 return false; 3550 } 3551 element = $(element.parentNode); 3552 } 3553 return true; 3554 } 3555 3556 var hasLayout = Prototype.K; 3557 if ('currentStyle' in document.documentElement) { 3558 hasLayout = function(element) { 3559 if (!element.currentStyle.hasLayout) { 3560 element.style.zoom = 1; 3561 } 3562 return element; 3563 }; 3564 } 3565 3566 function cssNameFor(key) { 3567 if (key.include('border')) key = key + '-width'; 3568 return key.camelize(); 3569 } 3570 3571 Element.Layout = Class.create(Hash, { 3572 initialize: function($super, element, preCompute) { 3573 $super(); 3574 this.element = $(element); 3575 3576 Element.Layout.PROPERTIES.each( function(property) { 3577 this._set(property, null); 3578 }, this); 3579 3580 if (preCompute) { 3581 this._preComputing = true; 3582 this._begin(); 3583 Element.Layout.PROPERTIES.each( this._compute, this ); 3584 this._end(); 3585 this._preComputing = false; 3586 } 3587 }, 3588 3589 _set: function(property, value) { 3590 return Hash.prototype.set.call(this, property, value); 3591 }, 3592 3593 set: function(property, value) { 3594 throw "Properties of Element.Layout are read-only."; 3595 }, 3596 3597 get: function($super, property) { 3598 var value = $super(property); 3599 return value === null ? this._compute(property) : value; 3600 }, 3601 3602 _begin: function() { 3603 if (this._isPrepared()) return; 3604 3605 var element = this.element; 3606 if (isDisplayed(element)) { 3607 this._setPrepared(true); 3608 return; 3609 } 3610 3611 3612 var originalStyles = { 3613 position: element.style.position || '', 3614 width: element.style.width || '', 3615 visibility: element.style.visibility || '', 3616 display: element.style.display || '' 3617 }; 3618 3619 element.store('prototype_original_styles', originalStyles); 3620 3621 var position = getRawStyle(element, 'position'), width = element.offsetWidth; 3622 3623 if (width === 0 || width === null) { 3624 element.style.display = 'block'; 3625 width = element.offsetWidth; 3626 } 3627 3628 var context = (position === 'fixed') ? document.viewport : 3629 element.parentNode; 3630 3631 var tempStyles = { 3632 visibility: 'hidden', 3633 display: 'block' 3634 }; 3635 3636 if (position !== 'fixed') tempStyles.position = 'absolute'; 3637 3638 element.setStyle(tempStyles); 3639 3640 var positionedWidth = element.offsetWidth, newWidth; 3641 if (width && (positionedWidth === width)) { 3642 newWidth = getContentWidth(element, context); 3643 } else if (position === 'absolute' || position === 'fixed') { 3644 newWidth = getContentWidth(element, context); 3645 } else { 3646 var parent = element.parentNode, pLayout = $(parent).getLayout(); 3647 3648 newWidth = pLayout.get('width') - 3649 this.get('margin-left') - 3650 this.get('border-left') - 3651 this.get('padding-left') - 3652 this.get('padding-right') - 3653 this.get('border-right') - 3654 this.get('margin-right'); 3655 } 3656 3657 element.setStyle({ width: newWidth + 'px' }); 3658 3659 this._setPrepared(true); 3660 }, 3661 3662 _end: function() { 3663 var element = this.element; 3664 var originalStyles = element.retrieve('prototype_original_styles'); 3665 element.store('prototype_original_styles', null); 3666 element.setStyle(originalStyles); 3667 this._setPrepared(false); 3668 }, 3669 3670 _compute: function(property) { 3671 var COMPUTATIONS = Element.Layout.COMPUTATIONS; 3672 if (!(property in COMPUTATIONS)) { 3673 throw "Property not found."; 3674 } 3675 3676 return this._set(property, COMPUTATIONS[property].call(this, this.element)); 3677 }, 3678 3679 _isPrepared: function() { 3680 return this.element.retrieve('prototype_element_layout_prepared', false); 3681 }, 3682 3683 _setPrepared: function(bool) { 3684 return this.element.store('prototype_element_layout_prepared', bool); 3685 }, 3686 3687 toObject: function() { 3688 var args = $A(arguments); 3689 var keys = (args.length === 0) ? Element.Layout.PROPERTIES : 3690 args.join(' ').split(' '); 3691 var obj = {}; 3692 keys.each( function(key) { 3693 if (!Element.Layout.PROPERTIES.include(key)) return; 3694 var value = this.get(key); 3695 if (value != null) obj[key] = value; 3696 }, this); 3697 return obj; 3698 }, 3699 3700 toHash: function() { 3701 var obj = this.toObject.apply(this, arguments); 3702 return new Hash(obj); 3703 }, 3704 3705 toCSS: function() { 3706 var args = $A(arguments); 3707 var keys = (args.length === 0) ? Element.Layout.PROPERTIES : 3708 args.join(' ').split(' '); 3709 var css = {}; 3710 3711 keys.each( function(key) { 3712 if (!Element.Layout.PROPERTIES.include(key)) return; 3713 if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return; 3714 3715 var value = this.get(key); 3716 if (value != null) css[cssNameFor(key)] = value + 'px'; 3717 }, this); 3718 return css; 3719 }, 3720 3721 inspect: function() { 3722 return "#<Element.Layout>"; 3723 } 3724 }); 3725 3726 Object.extend(Element.Layout, { 3727 PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'), 3728 3729 COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'), 3730 3731 COMPUTATIONS: { 3732 'height': function(element) { 3733 if (!this._preComputing) this._begin(); 3734 3735 var bHeight = this.get('border-box-height'); 3736 if (bHeight <= 0) { 3737 if (!this._preComputing) this._end(); 3738 return 0; 3739 } 3740 3741 var bTop = this.get('border-top'), 3742 bBottom = this.get('border-bottom'); 3743 3744 var pTop = this.get('padding-top'), 3745 pBottom = this.get('padding-bottom'); 3746 3747 if (!this._preComputing) this._end(); 3748 3749 return bHeight - bTop - bBottom - pTop - pBottom; 3750 }, 3751 3752 'width': function(element) { 3753 if (!this._preComputing) this._begin(); 3754 3755 var bWidth = this.get('border-box-width'); 3756 if (bWidth <= 0) { 3757 if (!this._preComputing) this._end(); 3758 return 0; 3759 } 3760 3761 var bLeft = this.get('border-left'), 3762 bRight = this.get('border-right'); 3763 3764 var pLeft = this.get('padding-left'), 3765 pRight = this.get('padding-right'); 3766 3767 if (!this._preComputing) this._end(); 3768 return bWidth - bLeft - bRight - pLeft - pRight; 3769 }, 3770 3771 'padding-box-height': function(element) { 3772 var height = this.get('height'), 3773 pTop = this.get('padding-top'), 3774 pBottom = this.get('padding-bottom'); 3775 3776 return height + pTop + pBottom; 3777 }, 3778 3779 'padding-box-width': function(element) { 3780 var width = this.get('width'), 3781 pLeft = this.get('padding-left'), 3782 pRight = this.get('padding-right'); 3783 3784 return width + pLeft + pRight; 3785 }, 3786 3787 'border-box-height': function(element) { 3788 if (!this._preComputing) this._begin(); 3789 var height = element.offsetHeight; 3790 if (!this._preComputing) this._end(); 3791 return height; 3792 }, 3793 3794 'border-box-width': function(element) { 3795 if (!this._preComputing) this._begin(); 3796 var width = element.offsetWidth; 3797 if (!this._preComputing) this._end(); 3798 return width; 3799 }, 3800 3801 'margin-box-height': function(element) { 3802 var bHeight = this.get('border-box-height'), 3803 mTop = this.get('margin-top'), 3804 mBottom = this.get('margin-bottom'); 3805 3806 if (bHeight <= 0) return 0; 3807 3808 return bHeight + mTop + mBottom; 3809 }, 3810 3811 'margin-box-width': function(element) { 3812 var bWidth = this.get('border-box-width'), 3813 mLeft = this.get('margin-left'), 3814 mRight = this.get('margin-right'); 3815 3816 if (bWidth <= 0) return 0; 3817 3818 return bWidth + mLeft + mRight; 3819 }, 3820 3821 'top': function(element) { 3822 var offset = element.positionedOffset(); 3823 return offset.top; 3824 }, 3825 3826 'bottom': function(element) { 3827 var offset = element.positionedOffset(), 3828 parent = element.getOffsetParent(), 3829 pHeight = parent.measure('height'); 3830 3831 var mHeight = this.get('border-box-height'); 3832 3833 return pHeight - mHeight - offset.top; 3834 }, 3835 3836 'left': function(element) { 3837 var offset = element.positionedOffset(); 3838 return offset.left; 3839 }, 3840 3841 'right': function(element) { 3842 var offset = element.positionedOffset(), 3843 parent = element.getOffsetParent(), 3844 pWidth = parent.measure('width'); 3845 3846 var mWidth = this.get('border-box-width'); 3847 3848 return pWidth - mWidth - offset.left; 3849 }, 3850 3851 'padding-top': function(element) { 3852 return getPixelValue(element, 'paddingTop'); 3853 }, 3854 3855 'padding-bottom': function(element) { 3856 return getPixelValue(element, 'paddingBottom'); 3857 }, 3858 3859 'padding-left': function(element) { 3860 return getPixelValue(element, 'paddingLeft'); 3861 }, 3862 3863 'padding-right': function(element) { 3864 return getPixelValue(element, 'paddingRight'); 3865 }, 3866 3867 'border-top': function(element) { 3868 return getPixelValue(element, 'borderTopWidth'); 3869 }, 3870 3871 'border-bottom': function(element) { 3872 return getPixelValue(element, 'borderBottomWidth'); 3873 }, 3874 3875 'border-left': function(element) { 3876 return getPixelValue(element, 'borderLeftWidth'); 3877 }, 3878 3879 'border-right': function(element) { 3880 return getPixelValue(element, 'borderRightWidth'); 3881 }, 3882 3883 'margin-top': function(element) { 3884 return getPixelValue(element, 'marginTop'); 3885 }, 3886 3887 'margin-bottom': function(element) { 3888 return getPixelValue(element, 'marginBottom'); 3889 }, 3890 3891 'margin-left': function(element) { 3892 return getPixelValue(element, 'marginLeft'); 3893 }, 3894 3895 'margin-right': function(element) { 3896 return getPixelValue(element, 'marginRight'); 3897 } 3898 } 3899 }); 3900 3901 if ('getBoundingClientRect' in document.documentElement) { 3902 Object.extend(Element.Layout.COMPUTATIONS, { 3903 'right': function(element) { 3904 var parent = hasLayout(element.getOffsetParent()); 3905 var rect = element.getBoundingClientRect(), 3906 pRect = parent.getBoundingClientRect(); 3907 3908 return (pRect.right - rect.right).round(); 3909 }, 3910 3911 'bottom': function(element) { 3912 var parent = hasLayout(element.getOffsetParent()); 3913 var rect = element.getBoundingClientRect(), 3914 pRect = parent.getBoundingClientRect(); 3915 3916 return (pRect.bottom - rect.bottom).round(); 3917 } 3918 }); 3919 } 3920 3921 Element.Offset = Class.create({ 3922 initialize: function(left, top) { 3923 this.left = left.round(); 3924 this.top = top.round(); 3925 3926 this[0] = this.left; 3927 this[1] = this.top; 3928 }, 3929 3930 relativeTo: function(offset) { 3931 return new Element.Offset( 3932 this.left - offset.left, 3933 this.top - offset.top 3934 ); 3935 }, 3936 3937 inspect: function() { 3938 return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this); 3939 }, 3940 3941 toString: function() { 3942 return "[#{left}, #{top}]".interpolate(this); 3943 }, 3944 3945 toArray: function() { 3946 return [this.left, this.top]; 3947 } 3948 }); 3949 3950 function getLayout(element, preCompute) { 3951 return new Element.Layout(element, preCompute); 3952 } 3953 3954 function measure(element, property) { 3955 return $(element).getLayout().get(property); 3956 } 3957 3958 function getHeight(element) { 3959 return Element.getDimensions(element).height; 3960 } 3961 3962 function getWidth(element) { 3963 return Element.getDimensions(element).width; 3964 } 3965 3966 function getDimensions(element) { 3967 element = $(element); 3968 var display = Element.getStyle(element, 'display'); 3969 3970 if (display && display !== 'none') { 3971 return { width: element.offsetWidth, height: element.offsetHeight }; 3972 } 3973 3974 var style = element.style; 3975 var originalStyles = { 3976 visibility: style.visibility, 3977 position: style.position, 3978 display: style.display 3979 }; 3980 3981 var newStyles = { 3982 visibility: 'hidden', 3983 display: 'block' 3984 }; 3985 3986 if (originalStyles.position !== 'fixed') 3987 newStyles.position = 'absolute'; 3988 3989 Element.setStyle(element, newStyles); 3990 3991 var dimensions = { 3992 width: element.offsetWidth, 3993 height: element.offsetHeight 3994 }; 3995 3996 Element.setStyle(element, originalStyles); 3997 3998 return dimensions; 3999 } 4000 4001 function getOffsetParent(element) { 4002 element = $(element); 4003 4004 if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element)) 4005 return $(document.body); 4006 4007 var isInline = (Element.getStyle(element, 'display') === 'inline'); 4008 if (!isInline && element.offsetParent) return $(element.offsetParent); 4009 4010 while ((element = element.parentNode) && element !== document.body) { 4011 if (Element.getStyle(element, 'position') !== 'static') { 4012 return isHtml(element) ? $(document.body) : $(element); 4013 } 4014 } 4015 4016 return $(document.body); 4017 } 4018 4019 4020 function cumulativeOffset(element) { 4021 element = $(element); 4022 var valueT = 0, valueL = 0; 4023 if (element.parentNode) { 4024 do { 4025 valueT += element.offsetTop || 0; 4026 valueL += element.offsetLeft || 0; 4027 element = element.offsetParent; 4028 } while (element); 4029 } 4030 return new Element.Offset(valueL, valueT); 4031 } 4032 4033 function positionedOffset(element) { 4034 element = $(element); 4035 4036 var layout = element.getLayout(); 4037 4038 var valueT = 0, valueL = 0; 4039 do { 4040 valueT += element.offsetTop || 0; 4041 valueL += element.offsetLeft || 0; 4042 element = element.offsetParent; 4043 if (element) { 4044 if (isBody(element)) break; 4045 var p = Element.getStyle(element, 'position'); 4046 if (p !== 'static') break; 4047 } 4048 } while (element); 4049 4050 valueL -= layout.get('margin-top'); 4051 valueT -= layout.get('margin-left'); 4052 4053 return new Element.Offset(valueL, valueT); 4054 } 4055 4056 function cumulativeScrollOffset(element) { 4057 var valueT = 0, valueL = 0; 4058 do { 4059 valueT += element.scrollTop || 0; 4060 valueL += element.scrollLeft || 0; 4061 element = element.parentNode; 4062 } while (element); 4063 return new Element.Offset(valueL, valueT); 4064 } 4065 4066 function viewportOffset(forElement) { 4067 var valueT = 0, valueL = 0, docBody = document.body; 4068 4069 var element = $(forElement); 4070 do { 4071 valueT += element.offsetTop || 0; 4072 valueL += element.offsetLeft || 0; 4073 if (element.offsetParent == docBody && 4074 Element.getStyle(element, 'position') == 'absolute') break; 4075 } while (element = element.offsetParent); 4076 4077 element = forElement; 4078 do { 4079 if (element != docBody) { 4080 valueT -= element.scrollTop || 0; 4081 valueL -= element.scrollLeft || 0; 4082 } 4083 } while (element = element.parentNode); 4084 return new Element.Offset(valueL, valueT); 4085 } 4086 4087 function absolutize(element) { 4088 element = $(element); 4089 4090 if (Element.getStyle(element, 'position') === 'absolute') { 4091 return element; 4092 } 4093 4094 var offsetParent = getOffsetParent(element); 4095 var eOffset = element.viewportOffset(), 4096 pOffset = offsetParent.viewportOffset(); 4097 4098 var offset = eOffset.relativeTo(pOffset); 4099 var layout = element.getLayout(); 4100 4101 element.store('prototype_absolutize_original_styles', { 4102 left: element.getStyle('left'), 4103 top: element.getStyle('top'), 4104 width: element.getStyle('width'), 4105 height: element.getStyle('height') 4106 }); 4107 4108 element.setStyle({ 4109 position: 'absolute', 4110 top: offset.top + 'px', 4111 left: offset.left + 'px', 4112 width: layout.get('width') + 'px', 4113 height: layout.get('height') + 'px' 4114 }); 4115 4116 return element; 4117 } 4118 4119 function relativize(element) { 4120 element = $(element); 4121 if (Element.getStyle(element, 'position') === 'relative') { 4122 return element; 4123 } 4124 4125 var originalStyles = 4126 element.retrieve('prototype_absolutize_original_styles'); 4127 4128 if (originalStyles) element.setStyle(originalStyles); 4129 return element; 4130 } 4131 4132 4133 function scrollTo(element) { 4134 element = $(element); 4135 var pos = Element.cumulativeOffset(element); 4136 window.scrollTo(pos.left, pos.top); 4137 return element; 4138 } 4139 4140 4141 function makePositioned(element) { 4142 element = $(element); 4143 var position = Element.getStyle(element, 'position'), styles = {}; 4144 if (position === 'static' || !position) { 4145 styles.position = 'relative'; 4146 if (Prototype.Browser.Opera) { 4147 styles.top = 0; 4148 styles.left = 0; 4149 } 4150 Element.setStyle(element, styles); 4151 Element.store(element, 'prototype_made_positioned', true); 4152 } 4153 return element; 4154 } 4155 4156 function undoPositioned(element) { 4157 element = $(element); 4158 var storage = Element.getStorage(element), 4159 madePositioned = storage.get('prototype_made_positioned'); 4160 4161 if (madePositioned) { 4162 storage.unset('prototype_made_positioned'); 4163 Element.setStyle(element, { 4164 position: '', 4165 top: '', 4166 bottom: '', 4167 left: '', 4168 right: '' 4169 }); 4170 } 4171 return element; 4172 } 4173 4174 function makeClipping(element) { 4175 element = $(element); 4176 4177 var storage = Element.getStorage(element), 4178 madeClipping = storage.get('prototype_made_clipping'); 4179 4180 if (Object.isUndefined(madeClipping)) { 4181 var overflow = Element.getStyle(element, 'overflow'); 4182 storage.set('prototype_made_clipping', overflow); 4183 if (overflow !== 'hidden') 4184 element.style.overflow = 'hidden'; 4185 } 4186 4187 return element; 4188 } 4189 4190 function undoClipping(element) { 4191 element = $(element); 4192 var storage = Element.getStorage(element), 4193 overflow = storage.get('prototype_made_clipping'); 4194 4195 if (!Object.isUndefined(overflow)) { 4196 storage.unset('prototype_made_clipping'); 4197 element.style.overflow = overflow || ''; 4198 } 4199 4200 return element; 4201 } 4202 4203 function clonePosition(element, source, options) { 4204 options = Object.extend({ 4205 setLeft: true, 4206 setTop: true, 4207 setWidth: true, 4208 setHeight: true, 4209 offsetTop: 0, 4210 offsetLeft: 0 4211 }, options || {}); 4212 4213 source = $(source); 4214 element = $(element); 4215 var p, delta, layout, styles = {}; 4216 4217 if (options.setLeft || options.setTop) { 4218 p = Element.viewportOffset(source); 4219 delta = [0, 0]; 4220 if (Element.getStyle(element, 'position') === 'absolute') { 4221 var parent = Element.getOffsetParent(element); 4222 if (parent !== document.body) delta = Element.viewportOffset(parent); 4223 } 4224 } 4225 4226 if (options.setWidth || options.setHeight) { 4227 layout = Element.getLayout(source); 4228 } 4229 4230 if (options.setLeft) 4231 styles.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; 4232 if (options.setTop) 4233 styles.top = (p[1] - delta[1] + options.offsetTop) + 'px'; 4234 4235 if (options.setWidth) 4236 styles.width = layout.get('border-box-width') + 'px'; 4237 if (options.setHeight) 4238 styles.height = layout.get('border-box-height') + 'px'; 4239 4240 return Element.setStyle(element, styles); 4241 } 4242 4243 4244 if (Prototype.Browser.IE) { 4245 getOffsetParent = getOffsetParent.wrap( 4246 function(proceed, element) { 4247 element = $(element); 4248 4249 if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element)) 4250 return $(document.body); 4251 4252 var position = element.getStyle('position'); 4253 if (position !== 'static') return proceed(element); 4254 4255 element.setStyle({ position: 'relative' }); 4256 var value = proceed(element); 4257 element.setStyle({ position: position }); 4258 return value; 4259 } 4260 ); 4261 4262 positionedOffset = positionedOffset.wrap(function(proceed, element) { 4263 element = $(element); 4264 if (!element.parentNode) return new Element.Offset(0, 0); 4265 var position = element.getStyle('position'); 4266 if (position !== 'static') return proceed(element); 4267 4268 var offsetParent = element.getOffsetParent(); 4269 if (offsetParent && offsetParent.getStyle('position') === 'fixed') 4270 hasLayout(offsetParent); 4271 4272 element.setStyle({ position: 'relative' }); 4273 var value = proceed(element); 4274 element.setStyle({ position: position }); 4275 return value; 4276 }); 4277 } else if (Prototype.Browser.Webkit) { 4278 cumulativeOffset = function(element) { 4279 element = $(element); 4280 var valueT = 0, valueL = 0; 4281 do { 4282 valueT += element.offsetTop || 0; 4283 valueL += element.offsetLeft || 0; 4284 if (element.offsetParent == document.body) { 4285 if (Element.getStyle(element, 'position') == 'absolute') break; 4286 } 4287 4288 element = element.offsetParent; 4289 } while (element); 4290 4291 return new Element.Offset(valueL, valueT); 4292 }; 4293 } 4294 4295 4296 Element.addMethods({ 4297 getLayout: getLayout, 4298 measure: measure, 4299 getWidth: getWidth, 4300 getHeight: getHeight, 4301 getDimensions: getDimensions, 4302 getOffsetParent: getOffsetParent, 4303 cumulativeOffset: cumulativeOffset, 4304 positionedOffset: positionedOffset, 4305 cumulativeScrollOffset: cumulativeScrollOffset, 4306 viewportOffset: viewportOffset, 4307 absolutize: absolutize, 4308 relativize: relativize, 4309 scrollTo: scrollTo, 4310 makePositioned: makePositioned, 4311 undoPositioned: undoPositioned, 4312 makeClipping: makeClipping, 4313 undoClipping: undoClipping, 4314 clonePosition: clonePosition 4315 }); 4316 4317 function isBody(element) { 4318 return element.nodeName.toUpperCase() === 'BODY'; 4319 } 4320 4321 function isHtml(element) { 4322 return element.nodeName.toUpperCase() === 'HTML'; 4323 } 4324 4325 function isDocument(element) { 4326 return element.nodeType === Node.DOCUMENT_NODE; 4327 } 4328 4329 function isDetached(element) { 4330 return element !== document.body && 4331 !Element.descendantOf(element, document.body); 4332 } 4333 4334 if ('getBoundingClientRect' in document.documentElement) { 4335 Element.addMethods({ 4336 viewportOffset: function(element) { 4337 element = $(element); 4338 if (isDetached(element)) return new Element.Offset(0, 0); 4339 4340 var rect = element.getBoundingClientRect(), 4341 docEl = document.documentElement; 4342 return new Element.Offset(rect.left - docEl.clientLeft, 4343 rect.top - docEl.clientTop); 4344 } 4345 }); 4346 } 4347 4348 4349 })(); 4350 4351 (function() { 4352 4353 var IS_OLD_OPERA = Prototype.Browser.Opera && 4354 (window.parseFloat(window.opera.version()) < 9.5); 4355 var ROOT = null; 4356 function getRootElement() { 4357 if (ROOT) return ROOT; 4358 ROOT = IS_OLD_OPERA ? document.body : document.documentElement; 4359 return ROOT; 4360 } 4361 4362 function getDimensions() { 4363 return { width: this.getWidth(), height: this.getHeight() }; 4364 } 4365 4366 function getWidth() { 4367 return getRootElement().clientWidth; 4368 } 4369 4370 function getHeight() { 4371 return getRootElement().clientHeight; 4372 } 4373 4374 function getScrollOffsets() { 4375 var x = window.pageXOffset || document.documentElement.scrollLeft || 4376 document.body.scrollLeft; 4377 var y = window.pageYOffset || document.documentElement.scrollTop || 4378 document.body.scrollTop; 4379 4380 return new Element.Offset(x, y); 4381 } 4382 4383 document.viewport = { 4384 getDimensions: getDimensions, 4385 getWidth: getWidth, 4386 getHeight: getHeight, 4387 getScrollOffsets: getScrollOffsets 4388 }; 4389 4390 })(); 4391 window.$$ = function() { 4392 var expression = $A(arguments).join(', '); 4393 return Prototype.Selector.select(expression, document); 4394 }; 4395 4396 Prototype.Selector = (function() { 4397 4398 function select() { 4399 throw new Error('Method "Prototype.Selector.select" must be defined.'); 4400 } 4401 4402 function match() { 4403 throw new Error('Method "Prototype.Selector.match" must be defined.'); 4404 } 4405 4406 function find(elements, expression, index) { 4407 index = index || 0; 4408 var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i; 4409 4410 for (i = 0; i < length; i++) { 4411 if (match(elements[i], expression) && index == matchIndex++) { 4412 return Element.extend(elements[i]); 4413 } 4414 } 4415 } 4416 4417 function extendElements(elements) { 4418 for (var i = 0, length = elements.length; i < length; i++) { 4419 Element.extend(elements[i]); 4420 } 4421 return elements; 4422 } 4423 4424 4425 var K = Prototype.K; 4426 4427 return { 4428 select: select, 4429 match: match, 4430 find: find, 4431 extendElements: (Element.extend === K) ? K : extendElements, 4432 extendElement: Element.extend 4433 }; 4434 })(); 4435 /*! 4436 * Sizzle CSS Selector Engine 4437 * Copyright 2011, The Dojo Foundation 4438 * Released under the MIT, BSD, and GPL Licenses. 4439 * More information: http://sizzlejs.com/ 4440 */ 4441 (function(){ 4442 4443 var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g, 4444 done = 0, 4445 toString = Object.prototype.toString, 4446 hasDuplicate = false, 4447 baseHasDuplicate = true, 4448 rBackslash = /\\/g, 4449 rNonWord = /\W/; 4450 4451 [0, 0].sort(function() { 4452 baseHasDuplicate = false; 4453 return 0; 4454 }); 4455 4456 var Sizzle = function( selector, context, results, seed ) { 4457 results = results || []; 4458 context = context || document; 4459 4460 var origContext = context; 4461 4462 if ( context.nodeType !== 1 && context.nodeType !== 9 ) { 4463 return []; 4464 } 4465 4466 if ( !selector || typeof selector !== "string" ) { 4467 return results; 4468 } 4469 4470 var m, set, checkSet, extra, ret, cur, pop, i, 4471 prune = true, 4472 contextXML = Sizzle.isXML( context ), 4473 parts = [], 4474 soFar = selector; 4475 4476 do { 4477 chunker.exec( "" ); 4478 m = chunker.exec( soFar ); 4479 4480 if ( m ) { 4481 soFar = m[3]; 4482 4483 parts.push( m[1] ); 4484 4485 if ( m[2] ) { 4486 extra = m[3]; 4487 break; 4488 } 4489 } 4490 } while ( m ); 4491 4492 if ( parts.length > 1 && origPOS.exec( selector ) ) { 4493 4494 if ( parts.length === 2 && Expr.relative[ parts[0] ] ) { 4495 set = posProcess( parts[0] + parts[1], context ); 4496 4497 } else { 4498 set = Expr.relative[ parts[0] ] ? 4499 [ context ] : 4500 Sizzle( parts.shift(), context ); 4501 4502 while ( parts.length ) { 4503 selector = parts.shift(); 4504 4505 if ( Expr.relative[ selector ] ) { 4506 selector += parts.shift(); 4507 } 4508 4509 set = posProcess( selector, set ); 4510 } 4511 } 4512 4513 } else { 4514 if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML && 4515 Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) { 4516 4517 ret = Sizzle.find( parts.shift(), context, contextXML ); 4518 context = ret.expr ? 4519 Sizzle.filter( ret.expr, ret.set )[0] : 4520 ret.set[0]; 4521 } 4522 4523 if ( context ) { 4524 ret = seed ? 4525 { expr: parts.pop(), set: makeArray(seed) } : 4526 Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML ); 4527 4528 set = ret.expr ? 4529 Sizzle.filter( ret.expr, ret.set ) : 4530 ret.set; 4531 4532 if ( parts.length > 0 ) { 4533 checkSet = makeArray( set ); 4534 4535 } else { 4536 prune = false; 4537 } 4538 4539 while ( parts.length ) { 4540 cur = parts.pop(); 4541 pop = cur; 4542 4543 if ( !Expr.relative[ cur ] ) { 4544 cur = ""; 4545 } else { 4546 pop = parts.pop(); 4547 } 4548 4549 if ( pop == null ) { 4550 pop = context; 4551 } 4552 4553 Expr.relative[ cur ]( checkSet, pop, contextXML ); 4554 } 4555 4556 } else { 4557 checkSet = parts = []; 4558 } 4559 } 4560 4561 if ( !checkSet ) { 4562 checkSet = set; 4563 } 4564 4565 if ( !checkSet ) { 4566 Sizzle.error( cur || selector ); 4567 } 4568 4569 if ( toString.call(checkSet) === "[object Array]" ) { 4570 if ( !prune ) { 4571 results.push.apply( results, checkSet ); 4572 4573 } else if ( context && context.nodeType === 1 ) { 4574 for ( i = 0; checkSet[i] != null; i++ ) { 4575 if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && Sizzle.contains(context, checkSet[i])) ) { 4576 results.push( set[i] ); 4577 } 4578 } 4579 4580 } else { 4581 for ( i = 0; checkSet[i] != null; i++ ) { 4582 if ( checkSet[i] && checkSet[i].nodeType === 1 ) { 4583 results.push( set[i] ); 4584 } 4585 } 4586 } 4587 4588 } else { 4589 makeArray( checkSet, results ); 4590 } 4591 4592 if ( extra ) { 4593 Sizzle( extra, origContext, results, seed ); 4594 Sizzle.uniqueSort( results ); 4595 } 4596 4597 return results; 4598 }; 4599 4600 Sizzle.uniqueSort = function( results ) { 4601 if ( sortOrder ) { 4602 hasDuplicate = baseHasDuplicate; 4603 results.sort( sortOrder ); 4604 4605 if ( hasDuplicate ) { 4606 for ( var i = 1; i < results.length; i++ ) { 4607 if ( results[i] === results[ i - 1 ] ) { 4608 results.splice( i--, 1 ); 4609 } 4610 } 4611 } 4612 } 4613 4614 return results; 4615 }; 4616 4617 Sizzle.matches = function( expr, set ) { 4618 return Sizzle( expr, null, null, set ); 4619 }; 4620 4621 Sizzle.matchesSelector = function( node, expr ) { 4622 return Sizzle( expr, null, null, [node] ).length > 0; 4623 }; 4624 4625 Sizzle.find = function( expr, context, isXML ) { 4626 var set; 4627 4628 if ( !expr ) { 4629 return []; 4630 } 4631 4632 for ( var i = 0, l = Expr.order.length; i < l; i++ ) { 4633 var match, 4634 type = Expr.order[i]; 4635 4636 if ( (match = Expr.leftMatch[ type ].exec( expr )) ) { 4637 var left = match[1]; 4638 match.splice( 1, 1 ); 4639 4640 if ( left.substr( left.length - 1 ) !== "\\" ) { 4641 match[1] = (match[1] || "").replace( rBackslash, "" ); 4642 set = Expr.find[ type ]( match, context, isXML ); 4643 4644 if ( set != null ) { 4645 expr = expr.replace( Expr.match[ type ], "" ); 4646 break; 4647 } 4648 } 4649 } 4650 } 4651 4652 if ( !set ) { 4653 set = typeof context.getElementsByTagName !== "undefined" ? 4654 context.getElementsByTagName( "*" ) : 4655 []; 4656 } 4657 4658 return { set: set, expr: expr }; 4659 }; 4660 4661 Sizzle.filter = function( expr, set, inplace, not ) { 4662 var match, anyFound, 4663 old = expr, 4664 result = [], 4665 curLoop = set, 4666 isXMLFilter = set && set[0] && Sizzle.isXML( set[0] ); 4667 4668 while ( expr && set.length ) { 4669 for ( var type in Expr.filter ) { 4670 if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) { 4671 var found, item, 4672 filter = Expr.filter[ type ], 4673 left = match[1]; 4674 4675 anyFound = false; 4676 4677 match.splice(1,1); 4678 4679 if ( left.substr( left.length - 1 ) === "\\" ) { 4680 continue; 4681 } 4682 4683 if ( curLoop === result ) { 4684 result = []; 4685 } 4686 4687 if ( Expr.preFilter[ type ] ) { 4688 match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter ); 4689 4690 if ( !match ) { 4691 anyFound = found = true; 4692 4693 } else if ( match === true ) { 4694 continue; 4695 } 4696 } 4697 4698 if ( match ) { 4699 for ( var i = 0; (item = curLoop[i]) != null; i++ ) { 4700 if ( item ) { 4701 found = filter( item, match, i, curLoop ); 4702 var pass = not ^ !!found; 4703 4704 if ( inplace && found != null ) { 4705 if ( pass ) { 4706 anyFound = true; 4707 4708 } else { 4709 curLoop[i] = false; 4710 } 4711 4712 } else if ( pass ) { 4713 result.push( item ); 4714 anyFound = true; 4715 } 4716 } 4717 } 4718 } 4719 4720 if ( found !== undefined ) { 4721 if ( !inplace ) { 4722 curLoop = result; 4723 } 4724 4725 expr = expr.replace( Expr.match[ type ], "" ); 4726 4727 if ( !anyFound ) { 4728 return []; 4729 } 4730 4731 break; 4732 } 4733 } 4734 } 4735 4736 if ( expr === old ) { 4737 if ( anyFound == null ) { 4738 Sizzle.error( expr ); 4739 4740 } else { 4741 break; 4742 } 4743 } 4744 4745 old = expr; 4746 } 4747 4748 return curLoop; 4749 }; 4750 4751 Sizzle.error = function( msg ) { 4752 throw "Syntax error, unrecognized expression: " + msg; 4753 }; 4754 4755 var Expr = Sizzle.selectors = { 4756 order: [ "ID", "NAME", "TAG" ], 4757 4758 match: { 4759 ID: /#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/, 4760 CLASS: /\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/, 4761 NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/, 4762 ATTR: /\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(?:(['"])(.*?)\3|(#?(?:[\w\u00c0-\uFFFF\-]|\\.)*)|)|)\s*\]/, 4763 TAG: /^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/, 4764 CHILD: /:(only|nth|last|first)-child(?:\(\s*(even|odd|(?:[+\-]?\d+|(?:[+\-]?\d*)?n\s*(?:[+\-]\s*\d+)?))\s*\))?/, 4765 POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/, 4766 PSEUDO: /:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/ 4767 }, 4768 4769 leftMatch: {}, 4770 4771 attrMap: { 4772 "class": "className", 4773 "for": "htmlFor" 4774 }, 4775 4776 attrHandle: { 4777 href: function( elem ) { 4778 return elem.getAttribute( "href" ); 4779 }, 4780 type: function( elem ) { 4781 return elem.getAttribute( "type" ); 4782 } 4783 }, 4784 4785 relative: { 4786 "+": function(checkSet, part){ 4787 var isPartStr = typeof part === "string", 4788 isTag = isPartStr && !rNonWord.test( part ), 4789 isPartStrNotTag = isPartStr && !isTag; 4790 4791 if ( isTag ) { 4792 part = part.toLowerCase(); 4793 } 4794 4795 for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) { 4796 if ( (elem = checkSet[i]) ) { 4797 while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {} 4798 4799 checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ? 4800 elem || false : 4801 elem === part; 4802 } 4803 } 4804 4805 if ( isPartStrNotTag ) { 4806 Sizzle.filter( part, checkSet, true ); 4807 } 4808 }, 4809 4810 ">": function( checkSet, part ) { 4811 var elem, 4812 isPartStr = typeof part === "string", 4813 i = 0, 4814 l = checkSet.length; 4815 4816 if ( isPartStr && !rNonWord.test( part ) ) { 4817 part = part.toLowerCase(); 4818 4819 for ( ; i < l; i++ ) { 4820 elem = checkSet[i]; 4821 4822 if ( elem ) { 4823 var parent = elem.parentNode; 4824 checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false; 4825 } 4826 } 4827 4828 } else { 4829 for ( ; i < l; i++ ) { 4830 elem = checkSet[i]; 4831 4832 if ( elem ) { 4833 checkSet[i] = isPartStr ? 4834 elem.parentNode : 4835 elem.parentNode === part; 4836 } 4837 } 4838 4839 if ( isPartStr ) { 4840 Sizzle.filter( part, checkSet, true ); 4841 } 4842 } 4843 }, 4844 4845 "": function(checkSet, part, isXML){ 4846 var nodeCheck, 4847 doneName = done++, 4848 checkFn = dirCheck; 4849 4850 if ( typeof part === "string" && !rNonWord.test( part ) ) { 4851 part = part.toLowerCase(); 4852 nodeCheck = part; 4853 checkFn = dirNodeCheck; 4854 } 4855 4856 checkFn( "parentNode", part, doneName, checkSet, nodeCheck, isXML ); 4857 }, 4858 4859 "~": function( checkSet, part, isXML ) { 4860 var nodeCheck, 4861 doneName = done++, 4862 checkFn = dirCheck; 4863 4864 if ( typeof part === "string" && !rNonWord.test( part ) ) { 4865 part = part.toLowerCase(); 4866 nodeCheck = part; 4867 checkFn = dirNodeCheck; 4868 } 4869 4870 checkFn( "previousSibling", part, doneName, checkSet, nodeCheck, isXML ); 4871 } 4872 }, 4873 4874 find: { 4875 ID: function( match, context, isXML ) { 4876 if ( typeof context.getElementById !== "undefined" && !isXML ) { 4877 var m = context.getElementById(match[1]); 4878 return m && m.parentNode ? [m] : []; 4879 } 4880 }, 4881 4882 NAME: function( match, context ) { 4883 if ( typeof context.getElementsByName !== "undefined" ) { 4884 var ret = [], 4885 results = context.getElementsByName( match[1] ); 4886 4887 for ( var i = 0, l = results.length; i < l; i++ ) { 4888 if ( results[i].getAttribute("name") === match[1] ) { 4889 ret.push( results[i] ); 4890 } 4891 } 4892 4893 return ret.length === 0 ? null : ret; 4894 } 4895 }, 4896 4897 TAG: function( match, context ) { 4898 if ( typeof context.getElementsByTagName !== "undefined" ) { 4899 return context.getElementsByTagName( match[1] ); 4900 } 4901 } 4902 }, 4903 preFilter: { 4904 CLASS: function( match, curLoop, inplace, result, not, isXML ) { 4905 match = " " + match[1].replace( rBackslash, "" ) + " "; 4906 4907 if ( isXML ) { 4908 return match; 4909 } 4910 4911 for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) { 4912 if ( elem ) { 4913 if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n\r]/g, " ").indexOf(match) >= 0) ) { 4914 if ( !inplace ) { 4915 result.push( elem ); 4916 } 4917 4918 } else if ( inplace ) { 4919 curLoop[i] = false; 4920 } 4921 } 4922 } 4923 4924 return false; 4925 }, 4926 4927 ID: function( match ) { 4928 return match[1].replace( rBackslash, "" ); 4929 }, 4930 4931 TAG: function( match, curLoop ) { 4932 return match[1].replace( rBackslash, "" ).toLowerCase(); 4933 }, 4934 4935 CHILD: function( match ) { 4936 if ( match[1] === "nth" ) { 4937 if ( !match[2] ) { 4938 Sizzle.error( match[0] ); 4939 } 4940 4941 match[2] = match[2].replace(/^\+|\s*/g, ''); 4942 4943 var test = /(-?)(\d*)(?:n([+\-]?\d*))?/.exec( 4944 match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" || 4945 !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]); 4946 4947 match[2] = (test[1] + (test[2] || 1)) - 0; 4948 match[3] = test[3] - 0; 4949 } 4950 else if ( match[2] ) { 4951 Sizzle.error( match[0] ); 4952 } 4953 4954 match[0] = done++; 4955 4956 return match; 4957 }, 4958 4959 ATTR: function( match, curLoop, inplace, result, not, isXML ) { 4960 var name = match[1] = match[1].replace( rBackslash, "" ); 4961 4962 if ( !isXML && Expr.attrMap[name] ) { 4963 match[1] = Expr.attrMap[name]; 4964 } 4965 4966 match[4] = ( match[4] || match[5] || "" ).replace( rBackslash, "" ); 4967 4968 if ( match[2] === "~=" ) { 4969 match[4] = " " + match[4] + " "; 4970 } 4971 4972 return match; 4973 }, 4974 4975 PSEUDO: function( match, curLoop, inplace, result, not ) { 4976 if ( match[1] === "not" ) { 4977 if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) { 4978 match[3] = Sizzle(match[3], null, null, curLoop); 4979 4980 } else { 4981 var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not); 4982 4983 if ( !inplace ) { 4984 result.push.apply( result, ret ); 4985 } 4986 4987 return false; 4988 } 4989 4990 } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) { 4991 return true; 4992 } 4993 4994 return match; 4995 }, 4996 4997 POS: function( match ) { 4998 match.unshift( true ); 4999 5000 return match; 5001 } 5002 }, 5003 5004 filters: { 5005 enabled: function( elem ) { 5006 return elem.disabled === false && elem.type !== "hidden"; 5007 }, 5008 5009 disabled: function( elem ) { 5010 return elem.disabled === true; 5011 }, 5012 5013 checked: function( elem ) { 5014 return elem.checked === true; 5015 }, 5016 5017 selected: function( elem ) { 5018 if ( elem.parentNode ) { 5019 elem.parentNode.selectedIndex; 5020 } 5021 5022 return elem.selected === true; 5023 }, 5024 5025 parent: function( elem ) { 5026 return !!elem.firstChild; 5027 }, 5028 5029 empty: function( elem ) { 5030 return !elem.firstChild; 5031 }, 5032 5033 has: function( elem, i, match ) { 5034 return !!Sizzle( match[3], elem ).length; 5035 }, 5036 5037 header: function( elem ) { 5038 return (/h\d/i).test( elem.nodeName ); 5039 }, 5040 5041 text: function( elem ) { 5042 var attr = elem.getAttribute( "type" ), type = elem.type; 5043 return elem.nodeName.toLowerCase() === "input" && "text" === type && ( attr === type || attr === null ); 5044 }, 5045 5046 radio: function( elem ) { 5047 return elem.nodeName.toLowerCase() === "input" && "radio" === elem.type; 5048 }, 5049 5050 checkbox: function( elem ) { 5051 return elem.nodeName.toLowerCase() === "input" && "checkbox" === elem.type; 5052 }, 5053 5054 file: function( elem ) { 5055 return elem.nodeName.toLowerCase() === "input" && "file" === elem.type; 5056 }, 5057 5058 password: function( elem ) { 5059 return elem.nodeName.toLowerCase() === "input" && "password" === elem.type; 5060 }, 5061 5062 submit: function( elem ) { 5063 var name = elem.nodeName.toLowerCase(); 5064 return (name === "input" || name === "button") && "submit" === elem.type; 5065 }, 5066 5067 image: function( elem ) { 5068 return elem.nodeName.toLowerCase() === "input" && "image" === elem.type; 5069 }, 5070 5071 reset: function( elem ) { 5072 var name = elem.nodeName.toLowerCase(); 5073 return (name === "input" || name === "button") && "reset" === elem.type; 5074 }, 5075 5076 button: function( elem ) { 5077 var name = elem.nodeName.toLowerCase(); 5078 return name === "input" && "button" === elem.type || name === "button"; 5079 }, 5080 5081 input: function( elem ) { 5082 return (/input|select|textarea|button/i).test( elem.nodeName ); 5083 }, 5084 5085 focus: function( elem ) { 5086 return elem === elem.ownerDocument.activeElement; 5087 } 5088 }, 5089 setFilters: { 5090 first: function( elem, i ) { 5091 return i === 0; 5092 }, 5093 5094 last: function( elem, i, match, array ) { 5095 return i === array.length - 1; 5096 }, 5097 5098 even: function( elem, i ) { 5099 return i % 2 === 0; 5100 }, 5101 5102 odd: function( elem, i ) { 5103 return i % 2 === 1; 5104 }, 5105 5106 lt: function( elem, i, match ) { 5107 return i < match[3] - 0; 5108 }, 5109 5110 gt: function( elem, i, match ) { 5111 return i > match[3] - 0; 5112 }, 5113 5114 nth: function( elem, i, match ) { 5115 return match[3] - 0 === i; 5116 }, 5117 5118 eq: function( elem, i, match ) { 5119 return match[3] - 0 === i; 5120 } 5121 }, 5122 filter: { 5123 PSEUDO: function( elem, match, i, array ) { 5124 var name = match[1], 5125 filter = Expr.filters[ name ]; 5126 5127 if ( filter ) { 5128 return filter( elem, i, match, array ); 5129 5130 } else if ( name === "contains" ) { 5131 return (elem.textContent || elem.innerText || Sizzle.getText([ elem ]) || "").indexOf(match[3]) >= 0; 5132 5133 } else if ( name === "not" ) { 5134 var not = match[3]; 5135 5136 for ( var j = 0, l = not.length; j < l; j++ ) { 5137 if ( not[j] === elem ) { 5138 return false; 5139 } 5140 } 5141 5142 return true; 5143 5144 } else { 5145 Sizzle.error( name ); 5146 } 5147 }, 5148 5149 CHILD: function( elem, match ) { 5150 var type = match[1], 5151 node = elem; 5152 5153 switch ( type ) { 5154 case "only": 5155 case "first": 5156 while ( (node = node.previousSibling) ) { 5157 if ( node.nodeType === 1 ) { 5158 return false; 5159 } 5160 } 5161 5162 if ( type === "first" ) { 5163 return true; 5164 } 5165 5166 node = elem; 5167 5168 case "last": 5169 while ( (node = node.nextSibling) ) { 5170 if ( node.nodeType === 1 ) { 5171 return false; 5172 } 5173 } 5174 5175 return true; 5176 5177 case "nth": 5178 var first = match[2], 5179 last = match[3]; 5180 5181 if ( first === 1 && last === 0 ) { 5182 return true; 5183 } 5184 5185 var doneName = match[0], 5186 parent = elem.parentNode; 5187 5188 if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) { 5189 var count = 0; 5190 5191 for ( node = parent.firstChild; node; node = node.nextSibling ) { 5192 if ( node.nodeType === 1 ) { 5193 node.nodeIndex = ++count; 5194 } 5195 } 5196 5197 parent.sizcache = doneName; 5198 } 5199 5200 var diff = elem.nodeIndex - last; 5201 5202 if ( first === 0 ) { 5203 return diff === 0; 5204 5205 } else { 5206 return ( diff % first === 0 && diff / first >= 0 ); 5207 } 5208 } 5209 }, 5210 5211 ID: function( elem, match ) { 5212 return elem.nodeType === 1 && elem.getAttribute("id") === match; 5213 }, 5214 5215 TAG: function( elem, match ) { 5216 return (match === "*" && elem.nodeType === 1) || elem.nodeName.toLowerCase() === match; 5217 }, 5218 5219 CLASS: function( elem, match ) { 5220 return (" " + (elem.className || elem.getAttribute("class")) + " ") 5221 .indexOf( match ) > -1; 5222 }, 5223 5224 ATTR: function( elem, match ) { 5225 var name = match[1], 5226 result = Expr.attrHandle[ name ] ? 5227 Expr.attrHandle[ name ]( elem ) : 5228 elem[ name ] != null ? 5229 elem[ name ] : 5230 elem.getAttribute( name ), 5231 value = result + "", 5232 type = match[2], 5233 check = match[4]; 5234 5235 return result == null ? 5236 type === "!=" : 5237 type === "=" ? 5238 value === check : 5239 type === "*=" ? 5240 value.indexOf(check) >= 0 : 5241 type === "~=" ? 5242 (" " + value + " ").indexOf(check) >= 0 : 5243 !check ? 5244 value && result !== false : 5245 type === "!=" ? 5246 value !== check : 5247 type === "^=" ? 5248 value.indexOf(check) === 0 : 5249 type === "$=" ? 5250 value.substr(value.length - check.length) === check : 5251 type === "|=" ? 5252 value === check || value.substr(0, check.length + 1) === check + "-" : 5253 false; 5254 }, 5255 5256 POS: function( elem, match, i, array ) { 5257 var name = match[2], 5258 filter = Expr.setFilters[ name ]; 5259 5260 if ( filter ) { 5261 return filter( elem, i, match, array ); 5262 } 5263 } 5264 } 5265 }; 5266 5267 var origPOS = Expr.match.POS, 5268 fescape = function(all, num){ 5269 return "\\" + (num - 0 + 1); 5270 }; 5271 5272 for ( var type in Expr.match ) { 5273 Expr.match[ type ] = new RegExp( Expr.match[ type ].source + (/(?![^\[]*\])(?![^\(]*\))/.source) ); 5274 Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source.replace(/\\(\d+)/g, fescape) ); 5275 } 5276 5277 var makeArray = function( array, results ) { 5278 array = Array.prototype.slice.call( array, 0 ); 5279 5280 if ( results ) { 5281 results.push.apply( results, array ); 5282 return results; 5283 } 5284 5285 return array; 5286 }; 5287 5288 try { 5289 Array.prototype.slice.call( document.documentElement.childNodes, 0 )[0].nodeType; 5290 5291 } catch( e ) { 5292 makeArray = function( array, results ) { 5293 var i = 0, 5294 ret = results || []; 5295 5296 if ( toString.call(array) === "[object Array]" ) { 5297 Array.prototype.push.apply( ret, array ); 5298 5299 } else { 5300 if ( typeof array.length === "number" ) { 5301 for ( var l = array.length; i < l; i++ ) { 5302 ret.push( array[i] ); 5303 } 5304 5305 } else { 5306 for ( ; array[i]; i++ ) { 5307 ret.push( array[i] ); 5308 } 5309 } 5310 } 5311 5312 return ret; 5313 }; 5314 } 5315 5316 var sortOrder, siblingCheck; 5317 5318 if ( document.documentElement.compareDocumentPosition ) { 5319 sortOrder = function( a, b ) { 5320 if ( a === b ) { 5321 hasDuplicate = true; 5322 return 0; 5323 } 5324 5325 if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) { 5326 return a.compareDocumentPosition ? -1 : 1; 5327 } 5328 5329 return a.compareDocumentPosition(b) & 4 ? -1 : 1; 5330 }; 5331 5332 } else { 5333 sortOrder = function( a, b ) { 5334 if ( a === b ) { 5335 hasDuplicate = true; 5336 return 0; 5337 5338 } else if ( a.sourceIndex && b.sourceIndex ) { 5339 return a.sourceIndex - b.sourceIndex; 5340 } 5341 5342 var al, bl, 5343 ap = [], 5344 bp = [], 5345 aup = a.parentNode, 5346 bup = b.parentNode, 5347 cur = aup; 5348 5349 if ( aup === bup ) { 5350 return siblingCheck( a, b ); 5351 5352 } else if ( !aup ) { 5353 return -1; 5354 5355 } else if ( !bup ) { 5356 return 1; 5357 } 5358 5359 while ( cur ) { 5360 ap.unshift( cur ); 5361 cur = cur.parentNode; 5362 } 5363 5364 cur = bup; 5365 5366 while ( cur ) { 5367 bp.unshift( cur ); 5368 cur = cur.parentNode; 5369 } 5370 5371 al = ap.length; 5372 bl = bp.length; 5373 5374 for ( var i = 0; i < al && i < bl; i++ ) { 5375 if ( ap[i] !== bp[i] ) { 5376 return siblingCheck( ap[i], bp[i] ); 5377 } 5378 } 5379 5380 return i === al ? 5381 siblingCheck( a, bp[i], -1 ) : 5382 siblingCheck( ap[i], b, 1 ); 5383 }; 5384 5385 siblingCheck = function( a, b, ret ) { 5386 if ( a === b ) { 5387 return ret; 5388 } 5389 5390 var cur = a.nextSibling; 5391 5392 while ( cur ) { 5393 if ( cur === b ) { 5394 return -1; 5395 } 5396 5397 cur = cur.nextSibling; 5398 } 5399 5400 return 1; 5401 }; 5402 } 5403 5404 Sizzle.getText = function( elems ) { 5405 var ret = "", elem; 5406 5407 for ( var i = 0; elems[i]; i++ ) { 5408 elem = elems[i]; 5409 5410 if ( elem.nodeType === 3 || elem.nodeType === 4 ) { 5411 ret += elem.nodeValue; 5412 5413 } else if ( elem.nodeType !== 8 ) { 5414 ret += Sizzle.getText( elem.childNodes ); 5415 } 5416 } 5417 5418 return ret; 5419 }; 5420 5421 (function(){ 5422 var form = document.createElement("div"), 5423 id = "script" + (new Date()).getTime(), 5424 root = document.documentElement; 5425 5426 form.innerHTML = "<a name='" + id + "'/>"; 5427 5428 root.insertBefore( form, root.firstChild ); 5429 5430 if ( document.getElementById( id ) ) { 5431 Expr.find.ID = function( match, context, isXML ) { 5432 if ( typeof context.getElementById !== "undefined" && !isXML ) { 5433 var m = context.getElementById(match[1]); 5434 5435 return m ? 5436 m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? 5437 [m] : 5438 undefined : 5439 []; 5440 } 5441 }; 5442 5443 Expr.filter.ID = function( elem, match ) { 5444 var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); 5445 5446 return elem.nodeType === 1 && node && node.nodeValue === match; 5447 }; 5448 } 5449 5450 root.removeChild( form ); 5451 5452 root = form = null; 5453 })(); 5454 5455 (function(){ 5456 5457 var div = document.createElement("div"); 5458 div.appendChild( document.createComment("") ); 5459 5460 if ( div.getElementsByTagName("*").length > 0 ) { 5461 Expr.find.TAG = function( match, context ) { 5462 var results = context.getElementsByTagName( match[1] ); 5463 5464 if ( match[1] === "*" ) { 5465 var tmp = []; 5466 5467 for ( var i = 0; results[i]; i++ ) { 5468 if ( results[i].nodeType === 1 ) { 5469 tmp.push( results[i] ); 5470 } 5471 } 5472 5473 results = tmp; 5474 } 5475 5476 return results; 5477 }; 5478 } 5479 5480 div.innerHTML = "<a href='#'></a>"; 5481 5482 if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" && 5483 div.firstChild.getAttribute("href") !== "#" ) { 5484 5485 Expr.attrHandle.href = function( elem ) { 5486 return elem.getAttribute( "href", 2 ); 5487 }; 5488 } 5489 5490 div = null; 5491 })(); 5492 5493 if ( document.querySelectorAll ) { 5494 (function(){ 5495 var oldSizzle = Sizzle, 5496 div = document.createElement("div"), 5497 id = "__sizzle__"; 5498 5499 div.innerHTML = "<p class='TEST'></p>"; 5500 5501 if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) { 5502 return; 5503 } 5504 5505 Sizzle = function( query, context, extra, seed ) { 5506 context = context || document; 5507 5508 if ( !seed && !Sizzle.isXML(context) ) { 5509 var match = /^(\w+$)|^\.([\w\-]+$)|^#([\w\-]+$)/.exec( query ); 5510 5511 if ( match && (context.nodeType === 1 || context.nodeType === 9) ) { 5512 if ( match[1] ) { 5513 return makeArray( context.getElementsByTagName( query ), extra ); 5514 5515 } else if ( match[2] && Expr.find.CLASS && context.getElementsByClassName ) { 5516 return makeArray( context.getElementsByClassName( match[2] ), extra ); 5517 } 5518 } 5519 5520 if ( context.nodeType === 9 ) { 5521 if ( query === "body" && context.body ) { 5522 return makeArray( [ context.body ], extra ); 5523 5524 } else if ( match && match[3] ) { 5525 var elem = context.getElementById( match[3] ); 5526 5527 if ( elem && elem.parentNode ) { 5528 if ( elem.id === match[3] ) { 5529 return makeArray( [ elem ], extra ); 5530 } 5531 5532 } else { 5533 return makeArray( [], extra ); 5534 } 5535 } 5536 5537 try { 5538 return makeArray( context.querySelectorAll(query), extra ); 5539 } catch(qsaError) {} 5540 5541 } else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { 5542 var oldContext = context, 5543 old = context.getAttribute( "id" ), 5544 nid = old || id, 5545 hasParent = context.parentNode, 5546 relativeHierarchySelector = /^\s*[+~]/.test( query ); 5547 5548 if ( !old ) { 5549 context.setAttribute( "id", nid ); 5550 } else { 5551 nid = nid.replace( /'/g, "\\$&" ); 5552 } 5553 if ( relativeHierarchySelector && hasParent ) { 5554 context = context.parentNode; 5555 } 5556 5557 try { 5558 if ( !relativeHierarchySelector || hasParent ) { 5559 return makeArray( context.querySelectorAll( "[id='" + nid + "'] " + query ), extra ); 5560 } 5561 5562 } catch(pseudoError) { 5563 } finally { 5564 if ( !old ) { 5565 oldContext.removeAttribute( "id" ); 5566 } 5567 } 5568 } 5569 } 5570 5571 return oldSizzle(query, context, extra, seed); 5572 }; 5573 5574 for ( var prop in oldSizzle ) { 5575 Sizzle[ prop ] = oldSizzle[ prop ]; 5576 } 5577 5578 div = null; 5579 })(); 5580 } 5581 5582 (function(){ 5583 var html = document.documentElement, 5584 matches = html.matchesSelector || html.mozMatchesSelector || html.webkitMatchesSelector || html.msMatchesSelector; 5585 5586 if ( matches ) { 5587 var disconnectedMatch = !matches.call( document.createElement( "div" ), "div" ), 5588 pseudoWorks = false; 5589 5590 try { 5591 matches.call( document.documentElement, "[test!='']:sizzle" ); 5592 5593 } catch( pseudoError ) { 5594 pseudoWorks = true; 5595 } 5596 5597 Sizzle.matchesSelector = function( node, expr ) { 5598 expr = expr.replace(/\=\s*([^'"\]]*)\s*\]/g, "='$1']"); 5599 5600 if ( !Sizzle.isXML( node ) ) { 5601 try { 5602 if ( pseudoWorks || !Expr.match.PSEUDO.test( expr ) && !/!=/.test( expr ) ) { 5603 var ret = matches.call( node, expr ); 5604 5605 if ( ret || !disconnectedMatch || 5606 node.document && node.document.nodeType !== 11 ) { 5607 return ret; 5608 } 5609 } 5610 } catch(e) {} 5611 } 5612 5613 return Sizzle(expr, null, null, [node]).length > 0; 5614 }; 5615 } 5616 })(); 5617 5618 (function(){ 5619 var div = document.createElement("div"); 5620 5621 div.innerHTML = "<div class='test e'></div><div class='test'></div>"; 5622 5623 if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) { 5624 return; 5625 } 5626 5627 div.lastChild.className = "e"; 5628 5629 if ( div.getElementsByClassName("e").length === 1 ) { 5630 return; 5631 } 5632 5633 Expr.order.splice(1, 0, "CLASS"); 5634 Expr.find.CLASS = function( match, context, isXML ) { 5635 if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) { 5636 return context.getElementsByClassName(match[1]); 5637 } 5638 }; 5639 5640 div = null; 5641 })(); 5642 5643 function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { 5644 for ( var i = 0, l = checkSet.length; i < l; i++ ) { 5645 var elem = checkSet[i]; 5646 5647 if ( elem ) { 5648 var match = false; 5649 5650 elem = elem[dir]; 5651 5652 while ( elem ) { 5653 if ( elem.sizcache === doneName ) { 5654 match = checkSet[elem.sizset]; 5655 break; 5656 } 5657 5658 if ( elem.nodeType === 1 && !isXML ){ 5659 elem.sizcache = doneName; 5660 elem.sizset = i; 5661 } 5662 5663 if ( elem.nodeName.toLowerCase() === cur ) { 5664 match = elem; 5665 break; 5666 } 5667 5668 elem = elem[dir]; 5669 } 5670 5671 checkSet[i] = match; 5672 } 5673 } 5674 } 5675 5676 function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { 5677 for ( var i = 0, l = checkSet.length; i < l; i++ ) { 5678 var elem = checkSet[i]; 5679 5680 if ( elem ) { 5681 var match = false; 5682 5683 elem = elem[dir]; 5684 5685 while ( elem ) { 5686 if ( elem.sizcache === doneName ) { 5687 match = checkSet[elem.sizset]; 5688 break; 5689 } 5690 5691 if ( elem.nodeType === 1 ) { 5692 if ( !isXML ) { 5693 elem.sizcache = doneName; 5694 elem.sizset = i; 5695 } 5696 5697 if ( typeof cur !== "string" ) { 5698 if ( elem === cur ) { 5699 match = true; 5700 break; 5701 } 5702 5703 } else if ( Sizzle.filter( cur, [elem] ).length > 0 ) { 5704 match = elem; 5705 break; 5706 } 5707 } 5708 5709 elem = elem[dir]; 5710 } 5711 5712 checkSet[i] = match; 5713 } 5714 } 5715 } 5716 5717 if ( document.documentElement.contains ) { 5718 Sizzle.contains = function( a, b ) { 5719 return a !== b && (a.contains ? a.contains(b) : true); 5720 }; 5721 5722 } else if ( document.documentElement.compareDocumentPosition ) { 5723 Sizzle.contains = function( a, b ) { 5724 return !!(a.compareDocumentPosition(b) & 16); 5725 }; 5726 5727 } else { 5728 Sizzle.contains = function() { 5729 return false; 5730 }; 5731 } 5732 5733 Sizzle.isXML = function( elem ) { 5734 var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement; 5735 5736 return documentElement ? documentElement.nodeName !== "HTML" : false; 5737 }; 5738 5739 var posProcess = function( selector, context ) { 5740 var match, 5741 tmpSet = [], 5742 later = "", 5743 root = context.nodeType ? [context] : context; 5744 5745 while ( (match = Expr.match.PSEUDO.exec( selector )) ) { 5746 later += match[0]; 5747 selector = selector.replace( Expr.match.PSEUDO, "" ); 5748 } 5749 5750 selector = Expr.relative[selector] ? selector + "*" : selector; 5751 5752 for ( var i = 0, l = root.length; i < l; i++ ) { 5753 Sizzle( selector, root[i], tmpSet ); 5754 } 5755 5756 return Sizzle.filter( later, tmpSet ); 5757 }; 5758 5759 5760 window.Sizzle = Sizzle; 5761 5762 })(); 5763 5764 Prototype._original_property = window.Sizzle; 5765 5766 ;(function(engine) { 5767 var extendElements = Prototype.Selector.extendElements; 5768 5769 function select(selector, scope) { 5770 return extendElements(engine(selector, scope || document)); 5771 } 5772 5773 function match(element, selector) { 5774 return engine.matches(selector, [element]).length == 1; 5775 } 5776 5777 Prototype.Selector.engine = engine; 5778 Prototype.Selector.select = select; 5779 Prototype.Selector.match = match; 5780 })(Sizzle); 5781 5782 window.Sizzle = Prototype._original_property; 5783 delete Prototype._original_property; 5784 5785 var Form = { 5786 reset: function(form) { 5787 form = $(form); 5788 form.reset(); 5789 return form; 5790 }, 5791 5792 serializeElements: function(elements, options) { 5793 if (typeof options != 'object') options = { hash: !!options }; 5794 else if (Object.isUndefined(options.hash)) options.hash = true; 5795 var key, value, submitted = false, submit = options.submit, accumulator, initial; 5796 5797 if (options.hash) { 5798 initial = {}; 5799 accumulator = function(result, key, value) { 5800 if (key in result) { 5801 if (!Object.isArray(result[key])) result[key] = [result[key]]; 5802 result[key].push(value); 5803 } else result[key] = value; 5804 return result; 5805 }; 5806 } else { 5807 initial = ''; 5808 accumulator = function(result, key, value) { 5809 value = value.gsub(/(\r)?\n/, '\r\n'); 5810 value = encodeURIComponent(value); 5811 value = value.gsub(/%20/, '+'); 5812 return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + value; 5813 } 5814 } 5815 5816 return elements.inject(initial, function(result, element) { 5817 if (!element.disabled && element.name) { 5818 key = element.name; value = $(element).getValue(); 5819 if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted && 5820 submit !== false && (!submit || key == submit) && (submitted = true)))) { 5821 result = accumulator(result, key, value); 5822 } 5823 } 5824 return result; 5825 }); 5826 } 5827 }; 5828 5829 Form.Methods = { 5830 serialize: function(form, options) { 5831 return Form.serializeElements(Form.getElements(form), options); 5832 }, 5833 5834 5835 getElements: function(form) { 5836 var elements = $(form).getElementsByTagName('*'); 5837 var element, results = [], serializers = Form.Element.Serializers; 5838 5839 for (var i = 0; element = elements[i]; i++) { 5840 if (serializers[element.tagName.toLowerCase()]) 5841 results.push(Element.extend(element)); 5842 } 5843 return results; 5844 }, 5845 5846 getInputs: function(form, typeName, name) { 5847 form = $(form); 5848 var inputs = form.getElementsByTagName('input'); 5849 5850 if (!typeName && !name) return $A(inputs).map(Element.extend); 5851 5852 for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { 5853 var input = inputs[i]; 5854 if ((typeName && input.type != typeName) || (name && input.name != name)) 5855 continue; 5856 matchingInputs.push(Element.extend(input)); 5857 } 5858 5859 return matchingInputs; 5860 }, 5861 5862 disable: function(form) { 5863 form = $(form); 5864 Form.getElements(form).invoke('disable'); 5865 return form; 5866 }, 5867 5868 enable: function(form) { 5869 form = $(form); 5870 Form.getElements(form).invoke('enable'); 5871 return form; 5872 }, 5873 5874 findFirstElement: function(form) { 5875 var elements = $(form).getElements().findAll(function(element) { 5876 return 'hidden' != element.type && !element.disabled; 5877 }); 5878 var firstByIndex = elements.findAll(function(element) { 5879 return element.hasAttribute('tabIndex') && element.tabIndex >= 0; 5880 }).sortBy(function(element) { return element.tabIndex }).first(); 5881 5882 return firstByIndex ? firstByIndex : elements.find(function(element) { 5883 return /^(?:input|select|textarea)$/i.test(element.tagName); 5884 }); 5885 }, 5886 5887 focusFirstElement: function(form) { 5888 form = $(form); 5889 var element = form.findFirstElement(); 5890 if (element) element.activate(); 5891 return form; 5892 }, 5893 5894 request: function(form, options) { 5895 form = $(form), options = Object.clone(options || { }); 5896 5897 var params = options.parameters, action = form.readAttribute('action') || ''; 5898 if (action.blank()) action = window.location.href; 5899 options.parameters = form.serialize(true); 5900 5901 if (params) { 5902 if (Object.isString(params)) params = params.toQueryParams(); 5903 Object.extend(options.parameters, params); 5904 } 5905 5906 if (form.hasAttribute('method') && !options.method) 5907 options.method = form.method; 5908 5909 return new Ajax.Request(action, options); 5910 } 5911 }; 5912 5913 /*--------------------------------------------------------------------------*/ 5914 5915 5916 Form.Element = { 5917 focus: function(element) { 5918 $(element).focus(); 5919 return element; 5920 }, 5921 5922 select: function(element) { 5923 $(element).select(); 5924 return element; 5925 } 5926 }; 5927 5928 Form.Element.Methods = { 5929 5930 serialize: function(element) { 5931 element = $(element); 5932 if (!element.disabled && element.name) { 5933 var value = element.getValue(); 5934 if (value != undefined) { 5935 var pair = { }; 5936 pair[element.name] = value; 5937 return Object.toQueryString(pair); 5938 } 5939 } 5940 return ''; 5941 }, 5942 5943 getValue: function(element) { 5944 element = $(element); 5945 var method = element.tagName.toLowerCase(); 5946 return Form.Element.Serializers[method](element); 5947 }, 5948 5949 setValue: function(element, value) { 5950 element = $(element); 5951 var method = element.tagName.toLowerCase(); 5952 Form.Element.Serializers[method](element, value); 5953 return element; 5954 }, 5955 5956 clear: function(element) { 5957 $(element).value = ''; 5958 return element; 5959 }, 5960 5961 present: function(element) { 5962 return $(element).value != ''; 5963 }, 5964 5965 activate: function(element) { 5966 element = $(element); 5967 try { 5968 element.focus(); 5969 if (element.select && (element.tagName.toLowerCase() != 'input' || 5970 !(/^(?:button|reset|submit)$/i.test(element.type)))) 5971 element.select(); 5972 } catch (e) { } 5973 return element; 5974 }, 5975 5976 disable: function(element) { 5977 element = $(element); 5978 element.disabled = true; 5979 return element; 5980 }, 5981 5982 enable: function(element) { 5983 element = $(element); 5984 element.disabled = false; 5985 return element; 5986 } 5987 }; 5988 5989 /*--------------------------------------------------------------------------*/ 5990 5991 var Field = Form.Element; 5992 5993 var $F = Form.Element.Methods.getValue; 5994 5995 /*--------------------------------------------------------------------------*/ 5996 5997 Form.Element.Serializers = (function() { 5998 function input(element, value) { 5999 switch (element.type.toLowerCase()) { 6000 case 'checkbox': 6001 case 'radio': 6002 return inputSelector(element, value); 6003 default: 6004 return valueSelector(element, value); 6005 } 6006 } 6007 6008 function inputSelector(element, value) { 6009 if (Object.isUndefined(value)) 6010 return element.checked ? element.value : null; 6011 else element.checked = !!value; 6012 } 6013 6014 function valueSelector(element, value) { 6015 if (Object.isUndefined(value)) return element.value; 6016 else element.value = value; 6017 } 6018 6019 function select(element, value) { 6020 if (Object.isUndefined(value)) 6021 return (element.type === 'select-one' ? selectOne : selectMany)(element); 6022 6023 var opt, currentValue, single = !Object.isArray(value); 6024 for (var i = 0, length = element.length; i < length; i++) { 6025 opt = element.options[i]; 6026 currentValue = this.optionValue(opt); 6027 if (single) { 6028 if (currentValue == value) { 6029 opt.selected = true; 6030 return; 6031 } 6032 } 6033 else opt.selected = value.include(currentValue); 6034 } 6035 } 6036 6037 function selectOne(element) { 6038 var index = element.selectedIndex; 6039 return index >= 0 ? optionValue(element.options[index]) : null; 6040 } 6041 6042 function selectMany(element) { 6043 var values, length = element.length; 6044 if (!length) return null; 6045 6046 for (var i = 0, values = []; i < length; i++) { 6047 var opt = element.options[i]; 6048 if (opt.selected) values.push(optionValue(opt)); 6049 } 6050 return values; 6051 } 6052 6053 function optionValue(opt) { 6054 return Element.hasAttribute(opt, 'value') ? opt.value : opt.text; 6055 } 6056 6057 return { 6058 input: input, 6059 inputSelector: inputSelector, 6060 textarea: valueSelector, 6061 select: select, 6062 selectOne: selectOne, 6063 selectMany: selectMany, 6064 optionValue: optionValue, 6065 button: valueSelector 6066 }; 6067 })(); 6068 6069 /*--------------------------------------------------------------------------*/ 6070 6071 6072 Abstract.TimedObserver = Class.create(PeriodicalExecuter, { 6073 initialize: function($super, element, frequency, callback) { 6074 $super(callback, frequency); 6075 this.element = $(element); 6076 this.lastValue = this.getValue(); 6077 }, 6078 6079 execute: function() { 6080 var value = this.getValue(); 6081 if (Object.isString(this.lastValue) && Object.isString(value) ? 6082 this.lastValue != value : String(this.lastValue) != String(value)) { 6083 this.callback(this.element, value); 6084 this.lastValue = value; 6085 } 6086 } 6087 }); 6088 6089 Form.Element.Observer = Class.create(Abstract.TimedObserver, { 6090 getValue: function() { 6091 return Form.Element.getValue(this.element); 6092 } 6093 }); 6094 6095 Form.Observer = Class.create(Abstract.TimedObserver, { 6096 getValue: function() { 6097 return Form.serialize(this.element); 6098 } 6099 }); 6100 6101 /*--------------------------------------------------------------------------*/ 6102 6103 Abstract.EventObserver = Class.create({ 6104 initialize: function(element, callback) { 6105 this.element = $(element); 6106 this.callback = callback; 6107 6108 this.lastValue = this.getValue(); 6109 if (this.element.tagName.toLowerCase() == 'form') 6110 this.registerFormCallbacks(); 6111 else 6112 this.registerCallback(this.element); 6113 }, 6114 6115 onElementEvent: function() { 6116 var value = this.getValue(); 6117 if (this.lastValue != value) { 6118 this.callback(this.element, value); 6119 this.lastValue = value; 6120 } 6121 }, 6122 6123 registerFormCallbacks: function() { 6124 Form.getElements(this.element).each(this.registerCallback, this); 6125 }, 6126 6127 registerCallback: function(element) { 6128 if (element.type) { 6129 switch (element.type.toLowerCase()) { 6130 case 'checkbox': 6131 case 'radio': 6132 Event.observe(element, 'click', this.onElementEvent.bind(this)); 6133 break; 6134 default: 6135 Event.observe(element, 'change', this.onElementEvent.bind(this)); 6136 break; 6137 } 6138 } 6139 } 6140 }); 6141 6142 Form.Element.EventObserver = Class.create(Abstract.EventObserver, { 6143 getValue: function() { 6144 return Form.Element.getValue(this.element); 6145 } 6146 }); 6147 6148 Form.EventObserver = Class.create(Abstract.EventObserver, { 6149 getValue: function() { 6150 return Form.serialize(this.element); 6151 } 6152 }); 6153 (function(GLOBAL) { 6154 var DIV = document.createElement('div'); 6155 var docEl = document.documentElement; 6156 var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl 6157 && 'onmouseleave' in docEl; 6158 6159 var Event = { 6160 KEY_BACKSPACE: 8, 6161 KEY_TAB: 9, 6162 KEY_RETURN: 13, 6163 KEY_ESC: 27, 6164 KEY_LEFT: 37, 6165 KEY_UP: 38, 6166 KEY_RIGHT: 39, 6167 KEY_DOWN: 40, 6168 KEY_DELETE: 46, 6169 KEY_HOME: 36, 6170 KEY_END: 35, 6171 KEY_PAGEUP: 33, 6172 KEY_PAGEDOWN: 34, 6173 KEY_INSERT: 45 6174 }; 6175 6176 6177 var isIELegacyEvent = function(event) { return false; }; 6178 6179 if (window.attachEvent) { 6180 if (window.addEventListener) { 6181 isIELegacyEvent = function(event) { 6182 return !(event instanceof window.Event); 6183 }; 6184 } else { 6185 isIELegacyEvent = function(event) { return true; }; 6186 } 6187 } 6188 6189 var _isButton; 6190 6191 function _isButtonForDOMEvents(event, code) { 6192 return event.which ? (event.which === code + 1) : (event.button === code); 6193 } 6194 6195 var legacyButtonMap = { 0: 1, 1: 4, 2: 2 }; 6196 function _isButtonForLegacyEvents(event, code) { 6197 return event.button === legacyButtonMap[code]; 6198 } 6199 6200 function _isButtonForWebKit(event, code) { 6201 switch (code) { 6202 case 0: return event.which == 1 && !event.metaKey; 6203 case 1: return event.which == 2 || (event.which == 1 && event.metaKey); 6204 case 2: return event.which == 3; 6205 default: return false; 6206 } 6207 } 6208 6209 if (window.attachEvent) { 6210 if (!window.addEventListener) { 6211 _isButton = _isButtonForLegacyEvents; 6212 } else { 6213 _isButton = function(event, code) { 6214 return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) : 6215 _isButtonForDOMEvents(event, code); 6216 } 6217 } 6218 } else if (Prototype.Browser.WebKit) { 6219 _isButton = _isButtonForWebKit; 6220 } else { 6221 _isButton = _isButtonForDOMEvents; 6222 } 6223 6224 function isLeftClick(event) { return _isButton(event, 0) } 6225 6226 function isMiddleClick(event) { return _isButton(event, 1) } 6227 6228 function isRightClick(event) { return _isButton(event, 2) } 6229 6230 function element(event) { 6231 return Element.extend(_element(event)); 6232 } 6233 6234 function _element(event) { 6235 event = Event.extend(event); 6236 6237 var node = event.target, type = event.type, 6238 currentTarget = event.currentTarget; 6239 6240 if (currentTarget && currentTarget.tagName) { 6241 if (type === 'load' || type === 'error' || 6242 (type === 'click' && currentTarget.tagName.toLowerCase() === 'input' 6243 && currentTarget.type === 'radio')) 6244 node = currentTarget; 6245 } 6246 6247 if (node.nodeType == Node.TEXT_NODE) 6248 node = node.parentNode; 6249 6250 return Element.extend(node); 6251 } 6252 6253 function findElement(event, expression) { 6254 var element = _element(event), match = Prototype.Selector.match; 6255 if (!expression) return Element.extend(element); 6256 while (element) { 6257 if (Object.isElement(element) && match(element, expression)) 6258 return Element.extend(element); 6259 element = element.parentNode; 6260 } 6261 } 6262 6263 function pointer(event) { 6264 return { x: pointerX(event), y: pointerY(event) }; 6265 } 6266 6267 function pointerX(event) { 6268 var docElement = document.documentElement, 6269 body = document.body || { scrollLeft: 0 }; 6270 6271 return event.pageX || (event.clientX + 6272 (docElement.scrollLeft || body.scrollLeft) - 6273 (docElement.clientLeft || 0)); 6274 } 6275 6276 function pointerY(event) { 6277 var docElement = document.documentElement, 6278 body = document.body || { scrollTop: 0 }; 6279 6280 return event.pageY || (event.clientY + 6281 (docElement.scrollTop || body.scrollTop) - 6282 (docElement.clientTop || 0)); 6283 } 6284 6285 6286 function stop(event) { 6287 Event.extend(event); 6288 event.preventDefault(); 6289 event.stopPropagation(); 6290 6291 event.stopped = true; 6292 } 6293 6294 6295 Event.Methods = { 6296 isLeftClick: isLeftClick, 6297 isMiddleClick: isMiddleClick, 6298 isRightClick: isRightClick, 6299 6300 element: element, 6301 findElement: findElement, 6302 6303 pointer: pointer, 6304 pointerX: pointerX, 6305 pointerY: pointerY, 6306 6307 stop: stop 6308 }; 6309 6310 var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { 6311 m[name] = Event.Methods[name].methodize(); 6312 return m; 6313 }); 6314 6315 if (window.attachEvent) { 6316 function _relatedTarget(event) { 6317 var element; 6318 switch (event.type) { 6319 case 'mouseover': 6320 case 'mouseenter': 6321 element = event.fromElement; 6322 break; 6323 case 'mouseout': 6324 case 'mouseleave': 6325 element = event.toElement; 6326 break; 6327 default: 6328 return null; 6329 } 6330 return Element.extend(element); 6331 } 6332 6333 var additionalMethods = { 6334 stopPropagation: function() { this.cancelBubble = true }, 6335 preventDefault: function() { this.returnValue = false }, 6336 inspect: function() { return '[object Event]' } 6337 }; 6338 6339 Event.extend = function(event, element) { 6340 if (!event) return false; 6341 6342 if (!isIELegacyEvent(event)) return event; 6343 6344 if (event._extendedByPrototype) return event; 6345 event._extendedByPrototype = Prototype.emptyFunction; 6346 6347 var pointer = Event.pointer(event); 6348 6349 Object.extend(event, { 6350 target: event.srcElement || element, 6351 relatedTarget: _relatedTarget(event), 6352 pageX: pointer.x, 6353 pageY: pointer.y 6354 }); 6355 6356 Object.extend(event, methods); 6357 Object.extend(event, additionalMethods); 6358 6359 return event; 6360 }; 6361 } else { 6362 Event.extend = Prototype.K; 6363 } 6364 6365 if (window.addEventListener) { 6366 Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__; 6367 Object.extend(Event.prototype, methods); 6368 } 6369 6370 var EVENT_TRANSLATIONS = { 6371 mouseenter: 'mouseover', 6372 mouseleave: 'mouseout' 6373 }; 6374 6375 function getDOMEventName(eventName) { 6376 return EVENT_TRANSLATIONS[eventName] || eventName; 6377 } 6378 6379 if (MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) 6380 getDOMEventName = Prototype.K; 6381 6382 function getUniqueElementID(element) { 6383 if (element === window) return 0; 6384 6385 if (typeof element._prototypeUID === 'undefined') 6386 element._prototypeUID = Element.Storage.UID++; 6387 return element._prototypeUID; 6388 } 6389 6390 function getUniqueElementID_IE(element) { 6391 if (element === window) return 0; 6392 if (element == document) return 1; 6393 return element.uniqueID; 6394 } 6395 6396 if ('uniqueID' in DIV) 6397 getUniqueElementID = getUniqueElementID_IE; 6398 6399 function isCustomEvent(eventName) { 6400 return eventName.include(':'); 6401 } 6402 6403 Event._isCustomEvent = isCustomEvent; 6404 6405 function getRegistryForElement(element, uid) { 6406 var CACHE = GLOBAL.Event.cache; 6407 if (Object.isUndefined(uid)) 6408 uid = getUniqueElementID(element); 6409 if (!CACHE[uid]) CACHE[uid] = { element: element }; 6410 return CACHE[uid]; 6411 } 6412 6413 function destroyRegistryForElement(element, uid) { 6414 if (Object.isUndefined(uid)) 6415 uid = getUniqueElementID(element); 6416 delete GLOBAL.Event.cache[uid]; 6417 } 6418 6419 6420 function register(element, eventName, handler) { 6421 var registry = getRegistryForElement(element); 6422 if (!registry[eventName]) registry[eventName] = []; 6423 var entries = registry[eventName]; 6424 6425 var i = entries.length; 6426 while (i--) 6427 if (entries[i].handler === handler) return null; 6428 6429 var uid = getUniqueElementID(element); 6430 var responder = GLOBAL.Event._createResponder(uid, eventName, handler); 6431 var entry = { 6432 responder: responder, 6433 handler: handler 6434 }; 6435 6436 entries.push(entry); 6437 return entry; 6438 } 6439 6440 function unregister(element, eventName, handler) { 6441 var registry = getRegistryForElement(element); 6442 var entries = registry[eventName]; 6443 if (!entries) return; 6444 6445 var i = entries.length, entry; 6446 while (i--) { 6447 if (entries[i].handler === handler) { 6448 entry = entries[i]; 6449 break; 6450 } 6451 } 6452 6453 if (!entry) return; 6454 6455 var index = entries.indexOf(entry); 6456 entries.splice(index, 1); 6457 6458 return entry; 6459 } 6460 6461 6462 function observe(element, eventName, handler) { 6463 element = $(element); 6464 var entry = register(element, eventName, handler); 6465 6466 if (entry === null) return element; 6467 6468 var responder = entry.responder; 6469 if (isCustomEvent(eventName)) 6470 observeCustomEvent(element, eventName, responder); 6471 else 6472 observeStandardEvent(element, eventName, responder); 6473 6474 return element; 6475 } 6476 6477 function observeStandardEvent(element, eventName, responder) { 6478 var actualEventName = getDOMEventName(eventName); 6479 if (element.addEventListener) { 6480 element.addEventListener(actualEventName, responder, false); 6481 } else { 6482 element.attachEvent('on' + actualEventName, responder); 6483 } 6484 } 6485 6486 function observeCustomEvent(element, eventName, responder) { 6487 if (element.addEventListener) { 6488 element.addEventListener('dataavailable', responder, false); 6489 } else { 6490 element.attachEvent('ondataavailable', responder); 6491 element.attachEvent('onlosecapture', responder); 6492 } 6493 } 6494 6495 function stopObserving(element, eventName, handler) { 6496 element = $(element); 6497 var handlerGiven = !Object.isUndefined(handler), 6498 eventNameGiven = !Object.isUndefined(eventName); 6499 6500 if (!eventNameGiven && !handlerGiven) { 6501 stopObservingElement(element); 6502 return element; 6503 } 6504 6505 if (!handlerGiven) { 6506 stopObservingEventName(element, eventName); 6507 return element; 6508 } 6509 6510 var entry = unregister(element, eventName, handler); 6511 6512 if (!entry) return element; 6513 removeEvent(element, eventName, entry.responder); 6514 return element; 6515 } 6516 6517 function stopObservingStandardEvent(element, eventName, responder) { 6518 var actualEventName = getDOMEventName(eventName); 6519 if (element.removeEventListener) { 6520 element.removeEventListener(actualEventName, responder, false); 6521 } else { 6522 element.detachEvent('on' + actualEventName, responder); 6523 } 6524 } 6525 6526 function stopObservingCustomEvent(element, eventName, responder) { 6527 if (element.removeEventListener) { 6528 element.removeEventListener('dataavailable', responder, false); 6529 } else { 6530 element.detachEvent('ondataavailable', responder); 6531 element.detachEvent('onlosecapture', responder); 6532 } 6533 } 6534 6535 6536 6537 function stopObservingElement(element) { 6538 var uid = getUniqueElementID(element), 6539 registry = getRegistryForElement(element, uid); 6540 6541 destroyRegistryForElement(element, uid); 6542 6543 var entries, i; 6544 for (var eventName in registry) { 6545 if (eventName === 'element') continue; 6546 6547 entries = registry[eventName]; 6548 i = entries.length; 6549 while (i--) 6550 removeEvent(element, eventName, entries[i].responder); 6551 } 6552 } 6553 6554 function stopObservingEventName(element, eventName) { 6555 var registry = getRegistryForElement(element); 6556 var entries = registry[eventName]; 6557 if (!entries) return; 6558 delete registry[eventName]; 6559 6560 var i = entries.length; 6561 while (i--) 6562 removeEvent(element, eventName, entries[i].responder); 6563 } 6564 6565 6566 function removeEvent(element, eventName, handler) { 6567 if (isCustomEvent(eventName)) 6568 stopObservingCustomEvent(element, eventName, handler); 6569 else 6570 stopObservingStandardEvent(element, eventName, handler); 6571 } 6572 6573 6574 6575 function getFireTarget(element) { 6576 if (element !== document) return element; 6577 if (document.createEvent && !element.dispatchEvent) 6578 return document.documentElement; 6579 return element; 6580 } 6581 6582 function fire(element, eventName, memo, bubble) { 6583 element = getFireTarget($(element)); 6584 if (Object.isUndefined(bubble)) bubble = true; 6585 memo = memo || {}; 6586 6587 var event = fireEvent(element, eventName, memo, bubble); 6588 return Event.extend(event); 6589 } 6590 6591 function fireEvent_DOM(element, eventName, memo, bubble) { 6592 var event = document.createEvent('HTMLEvents'); 6593 event.initEvent('dataavailable', bubble, true); 6594 6595 event.eventName = eventName; 6596 event.memo = memo; 6597 6598 element.dispatchEvent(event); 6599 return event; 6600 } 6601 6602 function fireEvent_IE(element, eventName, memo, bubble) { 6603 var event = document.createEventObject(); 6604 event.eventType = bubble ? 'ondataavailable' : 'onlosecapture'; 6605 6606 event.eventName = eventName; 6607 event.memo = memo; 6608 6609 element.fireEvent(event.eventType, event); 6610 return event; 6611 } 6612 6613 var fireEvent = document.createEvent ? fireEvent_DOM : fireEvent_IE; 6614 6615 6616 6617 Event.Handler = Class.create({ 6618 initialize: function(element, eventName, selector, callback) { 6619 this.element = $(element); 6620 this.eventName = eventName; 6621 this.selector = selector; 6622 this.callback = callback; 6623 this.handler = this.handleEvent.bind(this); 6624 }, 6625 6626 6627 start: function() { 6628 Event.observe(this.element, this.eventName, this.handler); 6629 return this; 6630 }, 6631 6632 stop: function() { 6633 Event.stopObserving(this.element, this.eventName, this.handler); 6634 return this; 6635 }, 6636 6637 handleEvent: function(event) { 6638 var element = Event.findElement(event, this.selector); 6639 if (element) this.callback.call(this.element, event, element); 6640 } 6641 }); 6642 6643 function on(element, eventName, selector, callback) { 6644 element = $(element); 6645 if (Object.isFunction(selector) && Object.isUndefined(callback)) { 6646 callback = selector, selector = null; 6647 } 6648 6649 return new Event.Handler(element, eventName, selector, callback).start(); 6650 } 6651 6652 Object.extend(Event, Event.Methods); 6653 6654 Object.extend(Event, { 6655 fire: fire, 6656 observe: observe, 6657 stopObserving: stopObserving, 6658 on: on 6659 }); 6660 6661 Element.addMethods({ 6662 fire: fire, 6663 6664 observe: observe, 6665 6666 stopObserving: stopObserving, 6667 6668 on: on 6669 }); 6670 6671 Object.extend(document, { 6672 fire: fire.methodize(), 6673 6674 observe: observe.methodize(), 6675 6676 stopObserving: stopObserving.methodize(), 6677 6678 on: on.methodize(), 6679 6680 loaded: false 6681 }); 6682 6683 if (GLOBAL.Event) Object.extend(window.Event, Event); 6684 else GLOBAL.Event = Event; 6685 6686 GLOBAL.Event.cache = {}; 6687 6688 function destroyCache_IE() { 6689 GLOBAL.Event.cache = null; 6690 } 6691 6692 if (window.attachEvent) 6693 window.attachEvent('onunload', destroyCache_IE); 6694 6695 DIV = null; 6696 docEl = null; 6697 })(this); 6698 6699 (function(GLOBAL) { 6700 /* Code for creating leak-free event responders is based on work by 6701 John-David Dalton. */ 6702 6703 var docEl = document.documentElement; 6704 var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl 6705 && 'onmouseleave' in docEl; 6706 6707 function isSimulatedMouseEnterLeaveEvent(eventName) { 6708 return !MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED && 6709 (eventName === 'mouseenter' || eventName === 'mouseleave'); 6710 } 6711 6712 function createResponder(uid, eventName, handler) { 6713 if (Event._isCustomEvent(eventName)) 6714 return createResponderForCustomEvent(uid, eventName, handler); 6715 if (isSimulatedMouseEnterLeaveEvent(eventName)) 6716 return createMouseEnterLeaveResponder(uid, eventName, handler); 6717 6718 return function(event) { 6719 var cacheEntry = Event.cache[uid]; 6720 var element = cacheEntry.element; 6721 6722 Event.extend(event, element); 6723 handler.call(element, event); 6724 }; 6725 } 6726 6727 function createResponderForCustomEvent(uid, eventName, handler) { 6728 return function(event) { 6729 var cacheEntry = Event.cache[uid], element = cacheEntry.element; 6730 6731 if (Object.isUndefined(event.eventName)) 6732 return false; 6733 6734 if (event.eventName !== eventName) 6735 return false; 6736 6737 Event.extend(event, element); 6738 handler.call(element, event); 6739 }; 6740 } 6741 6742 function createMouseEnterLeaveResponder(uid, eventName, handler) { 6743 return function(event) { 6744 var cacheEntry = Event.cache[uid], element = cacheEntry.element; 6745 6746 Event.extend(event, element); 6747 var parent = event.relatedTarget; 6748 6749 while (parent && parent !== element) { 6750 try { parent = parent.parentNode; } 6751 catch(e) { parent = element; } 6752 } 6753 6754 if (parent === element) return; 6755 handler.call(element, event); 6756 } 6757 } 6758 6759 GLOBAL.Event._createResponder = createResponder; 6760 docEl = null; 6761 })(this); 6762 6763 (function(GLOBAL) { 6764 /* Support for the DOMContentLoaded event is based on work by Dan Webb, 6765 Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */ 6766 6767 var TIMER; 6768 6769 function fireContentLoadedEvent() { 6770 if (document.loaded) return; 6771 if (TIMER) window.clearTimeout(TIMER); 6772 document.loaded = true; 6773 document.fire('dom:loaded'); 6774 } 6775 6776 function checkReadyState() { 6777 if (document.readyState === 'complete') { 6778 document.detachEvent('onreadystatechange', checkReadyState); 6779 fireContentLoadedEvent(); 6780 } 6781 } 6782 6783 function pollDoScroll() { 6784 try { 6785 document.documentElement.doScroll('left'); 6786 } catch (e) { 6787 TIMER = pollDoScroll.defer(); 6788 return; 6789 } 6790 6791 fireContentLoadedEvent(); 6792 } 6793 6794 if (document.addEventListener) { 6795 document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false); 6796 } else { 6797 document.attachEvent('onreadystatechange', checkReadyState); 6798 if (window == top) TIMER = pollDoScroll.defer(); 6799 } 6800 6801 Event.observe(window, 'load', fireContentLoadedEvent); 6802 })(this); 6803 6804 6805 Element.addMethods(); 6806 /*------------------------------- DEPRECATED -------------------------------*/ 6807 6808 Hash.toQueryString = Object.toQueryString; 6809 6810 var Toggle = { display: Element.toggle }; 6811 6812 Element.Methods.childOf = Element.Methods.descendantOf; 6813 6814 var Insertion = { 6815 Before: function(element, content) { 6816 return Element.insert(element, {before:content}); 6817 }, 6818 6819 Top: function(element, content) { 6820 return Element.insert(element, {top:content}); 6821 }, 6822 6823 Bottom: function(element, content) { 6824 return Element.insert(element, {bottom:content}); 6825 }, 6826 6827 After: function(element, content) { 6828 return Element.insert(element, {after:content}); 6829 } 6830 }; 6831 6832 var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); 6833 6834 var Position = { 6835 includeScrollOffsets: false, 6836 6837 prepare: function() { 6838 this.deltaX = window.pageXOffset 6839 || document.documentElement.scrollLeft 6840 || document.body.scrollLeft 6841 || 0; 6842 this.deltaY = window.pageYOffset 6843 || document.documentElement.scrollTop 6844 || document.body.scrollTop 6845 || 0; 6846 }, 6847 6848 within: function(element, x, y) { 6849 if (this.includeScrollOffsets) 6850 return this.withinIncludingScrolloffsets(element, x, y); 6851 this.xcomp = x; 6852 this.ycomp = y; 6853 this.offset = Element.cumulativeOffset(element); 6854 6855 return (y >= this.offset[1] && 6856 y < this.offset[1] + element.offsetHeight && 6857 x >= this.offset[0] && 6858 x < this.offset[0] + element.offsetWidth); 6859 }, 6860 6861 withinIncludingScrolloffsets: function(element, x, y) { 6862 var offsetcache = Element.cumulativeScrollOffset(element); 6863 6864 this.xcomp = x + offsetcache[0] - this.deltaX; 6865 this.ycomp = y + offsetcache[1] - this.deltaY; 6866 this.offset = Element.cumulativeOffset(element); 6867 6868 return (this.ycomp >= this.offset[1] && 6869 this.ycomp < this.offset[1] + element.offsetHeight && 6870 this.xcomp >= this.offset[0] && 6871 this.xcomp < this.offset[0] + element.offsetWidth); 6872 }, 6873 6874 overlap: function(mode, element) { 6875 if (!mode) return 0; 6876 if (mode == 'vertical') 6877 return ((this.offset[1] + element.offsetHeight) - this.ycomp) / 6878 element.offsetHeight; 6879 if (mode == 'horizontal') 6880 return ((this.offset[0] + element.offsetWidth) - this.xcomp) / 6881 element.offsetWidth; 6882 }, 6883 6884 6885 cumulativeOffset: Element.Methods.cumulativeOffset, 6886 6887 positionedOffset: Element.Methods.positionedOffset, 6888 6889 absolutize: function(element) { 6890 Position.prepare(); 6891 return Element.absolutize(element); 6892 }, 6893 6894 relativize: function(element) { 6895 Position.prepare(); 6896 return Element.relativize(element); 6897 }, 6898 6899 realOffset: Element.Methods.cumulativeScrollOffset, 6900 6901 offsetParent: Element.Methods.getOffsetParent, 6902 6903 page: Element.Methods.viewportOffset, 6904 6905 clone: function(source, target, options) { 6906 options = options || { }; 6907 return Element.clonePosition(target, source, options); 6908 } 6909 }; 6910 6911 /*--------------------------------------------------------------------------*/ 6912 6913 if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ 6914 function iter(name) { 6915 return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; 6916 } 6917 6918 instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? 6919 function(element, className) { 6920 className = className.toString().strip(); 6921 var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); 6922 return cond ? document._getElementsByXPath('.//*' + cond, element) : []; 6923 } : function(element, className) { 6924 className = className.toString().strip(); 6925 var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); 6926 if (!classNames && !className) return elements; 6927 6928 var nodes = $(element).getElementsByTagName('*'); 6929 className = ' ' + className + ' '; 6930 6931 for (var i = 0, child, cn; child = nodes[i]; i++) { 6932 if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || 6933 (classNames && classNames.all(function(name) { 6934 return !name.toString().blank() && cn.include(' ' + name + ' '); 6935 })))) 6936 elements.push(Element.extend(child)); 6937 } 6938 return elements; 6939 }; 6940 6941 return function(className, parentElement) { 6942 return $(parentElement || document.body).getElementsByClassName(className); 6943 }; 6944 }(Element.Methods); 6945 6946 /*--------------------------------------------------------------------------*/ 6947 6948 Element.ClassNames = Class.create(); 6949 Element.ClassNames.prototype = { 6950 initialize: function(element) { 6951 this.element = $(element); 6952 }, 6953 6954 _each: function(iterator, context) { 6955 this.element.className.split(/\s+/).select(function(name) { 6956 return name.length > 0; 6957 })._each(iterator, context); 6958 }, 6959 6960 set: function(className) { 6961 this.element.className = className; 6962 }, 6963 6964 add: function(classNameToAdd) { 6965 if (this.include(classNameToAdd)) return; 6966 this.set($A(this).concat(classNameToAdd).join(' ')); 6967 }, 6968 6969 remove: function(classNameToRemove) { 6970 if (!this.include(classNameToRemove)) return; 6971 this.set($A(this).without(classNameToRemove).join(' ')); 6972 }, 6973 6974 toString: function() { 6975 return $A(this).join(' '); 6976 } 6977 }; 6978 6979 Object.extend(Element.ClassNames.prototype, Enumerable); 6980 6981 /*--------------------------------------------------------------------------*/ 6982 6983 (function() { 6984 window.Selector = Class.create({ 6985 initialize: function(expression) { 6986 this.expression = expression.strip(); 6987 }, 6988 6989 findElements: function(rootElement) { 6990 return Prototype.Selector.select(this.expression, rootElement); 6991 }, 6992 6993 match: function(element) { 6994 return Prototype.Selector.match(element, this.expression); 6995 }, 6996 6997 toString: function() { 6998 return this.expression; 6999 }, 7000 7001 inspect: function() { 7002 return "#<Selector: " + this.expression + ">"; 7003 } 7004 }); 7005 7006 Object.extend(Selector, { 7007 matchElements: function(elements, expression) { 7008 var match = Prototype.Selector.match, 7009 results = []; 7010 7011 for (var i = 0, length = elements.length; i < length; i++) { 7012 var element = elements[i]; 7013 if (match(element, expression)) { 7014 results.push(Element.extend(element)); 7015 } 7016 } 7017 return results; 7018 }, 7019 7020 findElement: function(elements, expression, index) { 7021 index = index || 0; 7022 var matchIndex = 0, element; 7023 for (var i = 0, length = elements.length; i < length; i++) { 7024 element = elements[i]; 7025 if (Prototype.Selector.match(element, expression) && index === matchIndex++) { 7026 return Element.extend(element); 7027 } 7028 } 7029 }, 7030 7031 findChildElements: function(element, expressions) { 7032 var selector = expressions.toArray().join(', '); 7033 return Prototype.Selector.select(selector, element || document); 7034 } 7035 }); 7036 })();
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| Generated: Tue Oct 8 19:19:50 2013 | Cross-referenced by PHPXref 0.7.1 |