1 javascript comment /* Prototype JavaScript framework, version 1.4.0
2 javascript comment * (c) 2005 Sam Stephenson <sam@conio.net>
4 javascript comment * Prototype is freely distributable under the terms of an MIT-style license.
5 javascript comment * For details, see the Prototype web site: http://prototype.conio.net/
7 javascript comment /*--------------------------------------------------------------------------*/
9 javascript code var Prototype = {
10 javascript code Version: '1.4.0',
11 javascript code ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
13 javascript code emptyFunction: function() {},
14 javascript code K: function(x) {return x}
17 javascript code var Class = {
18 javascript code create: function() {
19 javascript code return function() {
20 javascript code this.initialize.apply(this, arguments);
25 javascript code var Abstract = new Object();
27 javascript code Object.extend = function(destination, source) {
28 javascript code for (property in source) {
29 javascript code destination[property] = source[property];
31 javascript code return destination;
34 javascript code Object.inspect = function(object) {
36 javascript code if (object == undefined) return 'undefined';
37 javascript code if (object == null) return 'null';
38 javascript code return object.inspect ? object.inspect() : object.toString();
39 javascript code } catch (e) {
40 javascript code if (e instanceof RangeError) return '...';
41 javascript code throw e;
45 javascript code Function.prototype.bind = function() {
46 javascript code var __method = this, args = $A(arguments), object = args.shift();
47 javascript code return function() {
48 javascript code return __method.apply(object, args.concat($A(arguments)));
52 javascript code Function.prototype.bindAsEventListener = function(object) {
53 javascript code var __method = this;
54 javascript code return function(event) {
55 javascript code return __method.call(object, event || window.event);
59 javascript code Object.extend(Number.prototype, {
60 javascript code toColorPart: function() {
61 javascript code var digits = this.toString(16);
62 javascript code if (this < 16) return '0' + digits;
63 javascript code return digits;
66 javascript code succ: function() {
67 javascript code return this + 1;
70 javascript code times: function(iterator) {
71 javascript code $R(0, this, true).each(iterator);
72 javascript code return this;
76 javascript code var Try = {
77 javascript code these: function() {
78 javascript code var returnValue;
80 javascript code for (var i = 0; i < arguments.length; i++) {
81 javascript code var lambda = arguments[i];
83 javascript code returnValue = lambda();
84 javascript code break;
85 javascript code } catch (e) {}
88 javascript code return returnValue;
92 javascript comment /*--------------------------------------------------------------------------*/
94 javascript code var PeriodicalExecuter = Class.create();
95 javascript code PeriodicalExecuter.prototype = {
96 javascript code initialize: function(callback, frequency) {
97 javascript code this.callback = callback;
98 javascript code this.frequency = frequency;
99 javascript code this.currentlyExecuting = false;
101 javascript code this.registerCallback();
104 javascript code registerCallback: function() {
105 javascript code setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
108 javascript code onTimerEvent: function() {
109 javascript code if (!this.currentlyExecuting) {
110 javascript code try {
111 javascript code this.currentlyExecuting = true;
112 javascript code this.callback();
113 javascript code } finally {
114 javascript code this.currentlyExecuting = false;
120 javascript comment /*--------------------------------------------------------------------------*/
122 javascript code function $() {
123 javascript code var elements = new Array();
125 javascript code for (var i = 0; i < arguments.length; i++) {
126 javascript code var element = arguments[i];
127 javascript code if (typeof element == 'string')
128 javascript code element = document.getElementById(element);
130 javascript code if (arguments.length == 1)
131 javascript code return element;
133 javascript code elements.push(element);
136 javascript code return elements;
138 javascript code Object.extend(String.prototype, {
139 javascript code stripTags: function() {
140 javascript code return this.replace(/<\/?[^>]+>/gi, '');
143 javascript code stripScripts: function() {
144 javascript code return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
147 javascript code extractScripts: function() {
148 javascript code var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
149 javascript code var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
150 javascript code return (this.match(matchAll) || []).map(function(scriptTag) {
151 javascript code return (scriptTag.match(matchOne) || ['', ''])[1];
155 javascript code evalScripts: function() {
156 javascript code return this.extractScripts().map(eval);
159 javascript code escapeHTML: function() {
160 javascript code var div = document.createElement('div');
161 javascript code var text = document.createTextNode(this);
162 javascript code div.appendChild(text);
163 javascript code return div.innerHTML;
166 javascript code unescapeHTML: function() {
167 javascript code var div = document.createElement('div');
168 javascript code div.innerHTML = this.stripTags();
169 javascript code return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
172 javascript code toQueryParams: function() {
173 javascript code var pairs = this.match(/^\??(.*)$/)[1].split('&');
174 javascript code return pairs.inject({}, function(params, pairString) {
175 javascript code var pair = pairString.split('=');
176 javascript code params[pair[0]] = pair[1];
177 javascript code return params;
181 javascript code toArray: function() {
182 javascript code return this.split('');
185 javascript code camelize: function() {
186 javascript code var oStringList = this.split('-');
187 javascript code if (oStringList.length == 1) return oStringList[0];
189 javascript code var camelizedString = this.indexOf('-') == 0
190 javascript code ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
191 javascript code : oStringList[0];
193 javascript code for (var i = 1, len = oStringList.length; i < len; i++) {
194 javascript code var s = oStringList[i];
195 javascript code camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
198 javascript code return camelizedString;
201 javascript code inspect: function() {
202 javascript code return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
206 javascript code String.prototype.parseQuery = String.prototype.toQueryParams;
208 javascript code var $break = new Object();
209 javascript code var $continue = new Object();
211 javascript code var Enumerable = {
212 javascript code each: function(iterator) {
213 javascript code var index = 0;
214 javascript code try {
215 javascript code this._each(function(value) {
216 javascript code try {
217 javascript code iterator(value, index++);
218 javascript code } catch (e) {
219 javascript code if (e != $continue) throw e;
222 javascript code } catch (e) {
223 javascript code if (e != $break) throw e;
227 javascript code all: function(iterator) {
228 javascript code var result = true;
229 javascript code this.each(function(value, index) {
230 javascript code result = result && !!(iterator || Prototype.K)(value, index);
231 javascript code if (!result) throw $break;
233 javascript code return result;
236 javascript code any: function(iterator) {
237 javascript code var result = true;
238 javascript code this.each(function(value, index) {
239 javascript code if (result = !!(iterator || Prototype.K)(value, index))
240 javascript code throw $break;
242 javascript code return result;
245 javascript code collect: function(iterator) {
246 javascript code var results = [];
247 javascript code this.each(function(value, index) {
248 javascript code results.push(iterator(value, index));
250 javascript code return results;
253 javascript code detect: function (iterator) {
254 javascript code var result;
255 javascript code this.each(function(value, index) {
256 javascript code if (iterator(value, index)) {
257 javascript code result = value;
258 javascript code throw $break;
261 javascript code return result;
264 javascript code findAll: function(iterator) {
265 javascript code var results = [];
266 javascript code this.each(function(value, index) {
267 javascript code if (iterator(value, index))
268 javascript code results.push(value);
270 javascript code return results;
273 javascript code grep: function(pattern, iterator) {
274 javascript code var results = [];
275 javascript code this.each(function(value, index) {
276 javascript code var stringValue = value.toString();
277 javascript code if (stringValue.match(pattern))
278 javascript code results.push((iterator || Prototype.K)(value, index));
280 javascript code return results;
283 javascript code include: function(object) {
284 javascript code var found = false;
285 javascript code this.each(function(value) {
286 javascript code if (value == object) {
287 javascript code found = true;
288 javascript code throw $break;
291 javascript code return found;
294 javascript code inject: function(memo, iterator) {
295 javascript code this.each(function(value, index) {
296 javascript code memo = iterator(memo, value, index);
298 javascript code return memo;
301 javascript code invoke: function(method) {
302 javascript code var args = $A(arguments).slice(1);
303 javascript code return this.collect(function(value) {
304 javascript code return value[method].apply(value, args);
308 javascript code max: function(iterator) {
309 javascript code var result;
310 javascript code this.each(function(value, index) {
311 javascript code value = (iterator || Prototype.K)(value, index);
312 javascript code if (value >= (result || value))
313 javascript code result = value;
315 javascript code return result;
318 javascript code min: function(iterator) {
319 javascript code var result;
320 javascript code this.each(function(value, index) {
321 javascript code value = (iterator || Prototype.K)(value, index);
322 javascript code if (value <= (result || value))
323 javascript code result = value;
325 javascript code return result;
328 javascript code partition: function(iterator) {
329 javascript code var trues = [], falses = [];
330 javascript code this.each(function(value, index) {
331 javascript code ((iterator || Prototype.K)(value, index) ?
332 javascript code trues : falses).push(value);
334 javascript code return [trues, falses];
337 javascript code pluck: function(property) {
338 javascript code var results = [];
339 javascript code this.each(function(value, index) {
340 javascript code results.push(value[property]);
342 javascript code return results;
345 javascript code reject: function(iterator) {
346 javascript code var results = [];
347 javascript code this.each(function(value, index) {
348 javascript code if (!iterator(value, index))
349 javascript code results.push(value);
351 javascript code return results;
354 javascript code sortBy: function(iterator) {
355 javascript code return this.collect(function(value, index) {
356 javascript code return {value: value, criteria: iterator(value, index)};
357 javascript code }).sort(function(left, right) {
358 javascript code var a = left.criteria, b = right.criteria;
359 javascript code return a < b ? -1 : a > b ? 1 : 0;
360 javascript code }).pluck('value');
363 javascript code toArray: function() {
364 javascript code return this.collect(Prototype.K);
367 javascript code zip: function() {
368 javascript code var iterator = Prototype.K, args = $A(arguments);
369 javascript code if (typeof args.last() == 'function')
370 javascript code iterator = args.pop();
372 javascript code var collections = [this].concat(args).map($A);
373 javascript code return this.map(function(value, index) {
374 javascript code iterator(value = collections.pluck(index));
375 javascript code return value;
379 javascript code inspect: function() {
380 javascript code return '#<Enumerable:' + this.toArray().inspect() + '>';
384 javascript code Object.extend(Enumerable, {
385 javascript code map: Enumerable.collect,
386 javascript code find: Enumerable.detect,
387 javascript code select: Enumerable.findAll,
388 javascript code member: Enumerable.include,
389 javascript code entries: Enumerable.toArray
391 javascript code var $A = Array.from = function(iterable) {
392 javascript code if (!iterable) return [];
393 javascript code if (iterable.toArray) {
394 javascript code return iterable.toArray();
395 javascript code } else {
396 javascript code var results = [];
397 javascript code for (var i = 0; i < iterable.length; i++)
398 javascript code results.push(iterable[i]);
399 javascript code return results;
403 javascript code Object.extend(Array.prototype, Enumerable);
405 javascript code Array.prototype._reverse = Array.prototype.reverse;
407 javascript code Object.extend(Array.prototype, {
408 javascript code _each: function(iterator) {
409 javascript code for (var i = 0; i < this.length; i++)
410 javascript code iterator(this[i]);
413 javascript code clear: function() {
414 javascript code this.length = 0;
415 javascript code return this;
418 javascript code first: function() {
419 javascript code return this[0];
422 javascript code last: function() {
423 javascript code return this[this.length - 1];
426 javascript code compact: function() {
427 javascript code return this.select(function(value) {
428 javascript code return value != undefined || value != null;
432 javascript code flatten: function() {
433 javascript code return this.inject([], function(array, value) {
434 javascript code return array.concat(value.constructor == Array ?
435 javascript code value.flatten() : [value]);
439 javascript code without: function() {
440 javascript code var values = $A(arguments);
441 javascript code return this.select(function(value) {
442 javascript code return !values.include(value);
446 javascript code indexOf: function(object) {
447 javascript code for (var i = 0; i < this.length; i++)
448 javascript code if (this[i] == object) return i;
449 javascript code return -1;
452 javascript code reverse: function(inline) {
453 javascript code return (inline !== false ? this : this.toArray())._reverse();
456 javascript code shift: function() {
457 javascript code var result = this[0];
458 javascript code for (var i = 0; i < this.length - 1; i++)
459 javascript code this[i] = this[i + 1];
460 javascript code this.length--;
461 javascript code return result;
464 javascript code inspect: function() {
465 javascript code return '[' + this.map(Object.inspect).join(', ') + ']';
468 javascript code var Hash = {
469 javascript code _each: function(iterator) {
470 javascript code for (key in this) {
471 javascript code var value = this[key];
472 javascript code if (typeof value == 'function') continue;
474 javascript code var pair = [key, value];
475 javascript code pair.key = key;
476 javascript code pair.value = value;
477 javascript code iterator(pair);
481 javascript code keys: function() {
482 javascript code return this.pluck('key');
485 javascript code values: function() {
486 javascript code return this.pluck('value');
489 javascript code merge: function(hash) {
490 javascript code return $H(hash).inject($H(this), function(mergedHash, pair) {
491 javascript code mergedHash[pair.key] = pair.value;
492 javascript code return mergedHash;
496 javascript code toQueryString: function() {
497 javascript code return this.map(function(pair) {
498 javascript code return pair.map(encodeURIComponent).join('=');
499 javascript code }).join('&');
502 javascript code inspect: function() {
503 javascript code return '#<Hash:{' + this.map(function(pair) {
504 javascript code return pair.map(Object.inspect).join(': ');
505 javascript code }).join(', ') + '}>';
509 javascript code function $H(object) {
510 javascript code var hash = Object.extend({}, object || {});
511 javascript code Object.extend(hash, Enumerable);
512 javascript code Object.extend(hash, Hash);
513 javascript code return hash;
515 javascript code ObjectRange = Class.create();
516 javascript code Object.extend(ObjectRange.prototype, Enumerable);
517 javascript code Object.extend(ObjectRange.prototype, {
518 javascript code initialize: function(start, end, exclusive) {
519 javascript code this.start = start;
520 javascript code this.end = end;
521 javascript code this.exclusive = exclusive;
524 javascript code _each: function(iterator) {
525 javascript code var value = this.start;
527 javascript code iterator(value);
528 javascript code value = value.succ();
529 javascript code } while (this.include(value));
532 javascript code include: function(value) {
533 javascript code if (value < this.start)
534 javascript code return false;
535 javascript code if (this.exclusive)
536 javascript code return value < this.end;
537 javascript code return value <= this.end;
541 javascript code var $R = function(start, end, exclusive) {
542 javascript code return new ObjectRange(start, end, exclusive);
545 javascript code var Ajax = {
546 javascript code getTransport: function() {
547 javascript code return Try.these(
548 javascript code function() {return new ActiveXObject('Msxml2.XMLHTTP')},
549 javascript code function() {return new ActiveXObject('Microsoft.XMLHTTP')},
550 javascript code function() {return new XMLHttpRequest()}
551 javascript code ) || false;
554 javascript code activeRequestCount: 0
557 javascript code Ajax.Responders = {
558 javascript code responders: [],
560 javascript code _each: function(iterator) {
561 javascript code this.responders._each(iterator);
564 javascript code register: function(responderToAdd) {
565 javascript code if (!this.include(responderToAdd))
566 javascript code this.responders.push(responderToAdd);
569 javascript code unregister: function(responderToRemove) {
570 javascript code this.responders = this.responders.without(responderToRemove);
573 javascript code dispatch: function(callback, request, transport, json) {
574 javascript code this.each(function(responder) {
575 javascript code if (responder[callback] && typeof responder[callback] == 'function') {
576 javascript code try {
577 javascript code responder[callback].apply(responder, [request, transport, json]);
578 javascript code } catch (e) {}
584 javascript code Object.extend(Ajax.Responders, Enumerable);
586 javascript code Ajax.Responders.register({
587 javascript code onCreate: function() {
588 javascript code Ajax.activeRequestCount++;
591 javascript code onComplete: function() {
592 javascript code Ajax.activeRequestCount--;
596 javascript code Ajax.Base = function() {};
597 javascript code Ajax.Base.prototype = {
598 javascript code setOptions: function(options) {
599 javascript code this.options = {
600 javascript code method: 'post',
601 javascript code asynchronous: true,
602 javascript code parameters: ''
604 javascript code Object.extend(this.options, options || {});
607 javascript code responseIsSuccess: function() {
608 javascript code return this.transport.status == undefined
609 javascript code || this.transport.status == 0
610 javascript code || (this.transport.status >= 200 && this.transport.status < 300);
613 javascript code responseIsFailure: function() {
614 javascript code return !this.responseIsSuccess();
618 javascript code Ajax.Request = Class.create();
619 javascript code Ajax.Request.Events =
620 javascript code ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
622 javascript code Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
623 javascript code initialize: function(url, options) {
624 javascript code this.transport = Ajax.getTransport();
625 javascript code this.setOptions(options);
626 javascript code this.request(url);
629 javascript code request: function(url) {
630 javascript code var parameters = this.options.parameters || '';
631 javascript code if (parameters.length > 0) parameters += '&_=';
633 javascript code try {
634 javascript code this.url = url;
635 javascript code if (this.options.method == 'get' && parameters.length > 0)
636 javascript code this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
638 javascript code Ajax.Responders.dispatch('onCreate', this, this.transport);
640 javascript code this.transport.open(this.options.method, this.url,
641 javascript code this.options.asynchronous);
643 javascript code if (this.options.asynchronous) {
644 javascript code this.transport.onreadystatechange = this.onStateChange.bind(this);
645 javascript code setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
648 javascript code this.setRequestHeaders();
650 javascript code var body = this.options.postBody ? this.options.postBody : parameters;
651 javascript code this.transport.send(this.options.method == 'post' ? body : null);
653 javascript code } catch (e) {
654 javascript code this.dispatchException(e);
658 javascript code setRequestHeaders: function() {
659 javascript code var requestHeaders =
660 javascript code ['X-Requested-With', 'XMLHttpRequest',
661 javascript code 'X-Prototype-Version', Prototype.Version];
663 javascript code if (this.options.method == 'post') {
664 javascript code requestHeaders.push('Content-type',
665 javascript code 'application/x-www-form-urlencoded');
667 javascript comment /* Force "Connection: close" for Mozilla browsers to work around
668 javascript comment * a bug where XMLHttpReqeuest sends an incorrect Content-length
669 javascript comment * header. See Mozilla Bugzilla #246651.
670 javascript comment */
671 javascript code if (this.transport.overrideMimeType)
672 javascript code requestHeaders.push('Connection', 'close');
675 javascript code if (this.options.requestHeaders)
676 javascript code requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
678 javascript code for (var i = 0; i < requestHeaders.length; i += 2)
679 javascript code this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
682 javascript code onStateChange: function() {
683 javascript code var readyState = this.transport.readyState;
684 javascript code if (readyState != 1)
685 javascript code this.respondToReadyState(this.transport.readyState);
688 javascript code header: function(name) {
689 javascript code try {
690 javascript code return this.transport.getResponseHeader(name);
691 javascript code } catch (e) {}
694 javascript code evalJSON: function() {
695 javascript code try {
696 javascript code return eval(this.header('X-JSON'));
697 javascript code } catch (e) {}
700 javascript code evalResponse: function() {
701 javascript code try {
702 javascript code return eval(this.transport.responseText);
703 javascript code } catch (e) {
704 javascript code this.dispatchException(e);
708 javascript code respondToReadyState: function(readyState) {
709 javascript code var event = Ajax.Request.Events[readyState];
710 javascript code var transport = this.transport, json = this.evalJSON();
712 javascript code if (event == 'Complete') {
713 javascript code try {
714 javascript code (this.options['on' + this.transport.status]
715 javascript code || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
716 javascript code || Prototype.emptyFunction)(transport, json);
717 javascript code } catch (e) {
718 javascript code this.dispatchException(e);
721 javascript code if ((this.header('Content-type') || '').match(/^text\/javascript/i))
722 javascript code this.evalResponse();
725 javascript code try {
726 javascript code (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
727 javascript code Ajax.Responders.dispatch('on' + event, this, transport, json);
728 javascript code } catch (e) {
729 javascript code this.dispatchException(e);
732 javascript comment /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
733 javascript code if (event == 'Complete')
734 javascript code this.transport.onreadystatechange = Prototype.emptyFunction;
737 javascript code dispatchException: function(exception) {
738 javascript code (this.options.onException || Prototype.emptyFunction)(this, exception);
739 javascript code Ajax.Responders.dispatch('onException', this, exception);
743 javascript code Ajax.Updater = Class.create();
745 javascript code Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
746 javascript code initialize: function(container, url, options) {
747 javascript code this.containers = {
748 javascript code success: container.success ? $(container.success) : $(container),
749 javascript code failure: container.failure ? $(container.failure) :
750 javascript code (container.success ? null : $(container))
753 javascript code this.transport = Ajax.getTransport();
754 javascript code this.setOptions(options);
756 javascript code var onComplete = this.options.onComplete || Prototype.emptyFunction;
757 javascript code this.options.onComplete = (function(transport, object) {
758 javascript code this.updateContent();
759 javascript code onComplete(transport, object);
760 javascript code }).bind(this);
762 javascript code this.request(url);
765 javascript code updateContent: function() {
766 javascript code var receiver = this.responseIsSuccess() ?
767 javascript code this.containers.success : this.containers.failure;
768 javascript code var response = this.transport.responseText;
770 javascript code if (!this.options.evalScripts)
771 javascript code response = response.stripScripts();
773 javascript code if (receiver) {
774 javascript code if (this.options.insertion) {
775 javascript code new this.options.insertion(receiver, response);
776 javascript code } else {
777 javascript code Element.update(receiver, response);
781 javascript code if (this.responseIsSuccess()) {
782 javascript code if (this.onComplete)
783 javascript code setTimeout(this.onComplete.bind(this), 10);
788 javascript code Ajax.PeriodicalUpdater = Class.create();
789 javascript code Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
790 javascript code initialize: function(container, url, options) {
791 javascript code this.setOptions(options);
792 javascript code this.onComplete = this.options.onComplete;
794 javascript code this.frequency = (this.options.frequency || 2);
795 javascript code this.decay = (this.options.decay || 1);
797 javascript code this.updater = {};
798 javascript code this.container = container;
799 javascript code this.url = url;
801 javascript code this.start();
804 javascript code start: function() {
805 javascript code this.options.onComplete = this.updateComplete.bind(this);
806 javascript code this.onTimerEvent();
809 javascript code stop: function() {
810 javascript code this.updater.onComplete = undefined;
811 javascript code clearTimeout(this.timer);
812 javascript code (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
815 javascript code updateComplete: function(request) {
816 javascript code if (this.options.decay) {
817 javascript code this.decay = (request.responseText == this.lastText ?
818 javascript code this.decay * this.options.decay : 1);
820 javascript code this.lastText = request.responseText;
822 javascript code this.timer = setTimeout(this.onTimerEvent.bind(this),
823 javascript code this.decay * this.frequency * 1000);
826 javascript code onTimerEvent: function() {
827 javascript code this.updater = new Ajax.Updater(this.container, this.url, this.options);
830 javascript code document.getElementsByClassName = function(className, parentElement) {
831 javascript code var children = ($(parentElement) || document.body).getElementsByTagName('*');
832 javascript code return $A(children).inject([], function(elements, child) {
833 javascript code if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
834 javascript code elements.push(child);
835 javascript code return elements;
839 javascript comment /*--------------------------------------------------------------------------*/
841 javascript code if (!window.Element) {
842 javascript code var Element = new Object();
845 javascript code Object.extend(Element, {
846 javascript code visible: function(element) {
847 javascript code return $(element).style.display != 'none';
850 javascript code toggle: function() {
851 javascript code for (var i = 0; i < arguments.length; i++) {
852 javascript code var element = $(arguments[i]);
853 javascript code Element[Element.visible(element) ? 'hide' : 'show'](element);
857 javascript code hide: function() {
858 javascript code for (var i = 0; i < arguments.length; i++) {
859 javascript code var element = $(arguments[i]);
860 javascript code element.style.display = 'none';
864 javascript code show: function() {
865 javascript code for (var i = 0; i < arguments.length; i++) {
866 javascript code var element = $(arguments[i]);
867 javascript code element.style.display = '';
871 javascript code remove: function(element) {
872 javascript code element = $(element);
873 javascript code element.parentNode.removeChild(element);
876 javascript code update: function(element, html) {
877 javascript code $(element).innerHTML = html.stripScripts();
878 javascript code setTimeout(function() {html.evalScripts()}, 10);
881 javascript code getHeight: function(element) {
882 javascript code element = $(element);
883 javascript code return element.offsetHeight;
886 javascript code classNames: function(element) {
887 javascript code return new Element.ClassNames(element);
890 javascript code hasClassName: function(element, className) {
891 javascript code if (!(element = $(element))) return;
892 javascript code return Element.classNames(element).include(className);
895 javascript code addClassName: function(element, className) {
896 javascript code if (!(element = $(element))) return;
897 javascript code return Element.classNames(element).add(className);
900 javascript code removeClassName: function(element, className) {
901 javascript code if (!(element = $(element))) return;
902 javascript code return Element.classNames(element).remove(className);
905 javascript comment // removes whitespace-only text node children
906 javascript code cleanWhitespace: function(element) {
907 javascript code element = $(element);
908 javascript code for (var i = 0; i < element.childNodes.length; i++) {
909 javascript code var node = element.childNodes[i];
910 javascript code if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
911 javascript code Element.remove(node);
915 javascript code empty: function(element) {
916 javascript code return $(element).innerHTML.match(/^\s*$/);
919 javascript code scrollTo: function(element) {
920 javascript code element = $(element);
921 javascript code var x = element.x ? element.x : element.offsetLeft,
922 javascript code y = element.y ? element.y : element.offsetTop;
923 javascript code window.scrollTo(x, y);
926 javascript code getStyle: function(element, style) {
927 javascript code element = $(element);
928 javascript code var value = element.style[style.camelize()];
929 javascript code if (!value) {
930 javascript code if (document.defaultView && document.defaultView.getComputedStyle) {
931 javascript code var css = document.defaultView.getComputedStyle(element, null);
932 javascript code value = css ? css.getPropertyValue(style) : null;
933 javascript code } else if (element.currentStyle) {
934 javascript code value = element.currentStyle[style.camelize()];
938 javascript code if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
939 javascript code if (Element.getStyle(element, 'position') == 'static') value = 'auto';
941 javascript code return value == 'auto' ? null : value;
944 javascript code setStyle: function(element, style) {
945 javascript code element = $(element);
946 javascript code for (name in style)
947 javascript code element.style[name.camelize()] = style[name];
950 javascript code getDimensions: function(element) {
951 javascript code element = $(element);
952 javascript code if (Element.getStyle(element, 'display') != 'none')
953 javascript code return {width: element.offsetWidth, height: element.offsetHeight};
955 javascript comment // All *Width and *Height properties give 0 on elements with display none,
956 javascript comment // so enable the element temporarily
957 javascript code var els = element.style;
958 javascript code var originalVisibility = els.visibility;
959 javascript code var originalPosition = els.position;
960 javascript code els.visibility = 'hidden';
961 javascript code els.position = 'absolute';
962 javascript code els.display = '';
963 javascript code var originalWidth = element.clientWidth;
964 javascript code var originalHeight = element.clientHeight;
965 javascript code els.display = 'none';
966 javascript code els.position = originalPosition;
967 javascript code els.visibility = originalVisibility;
968 javascript code return {width: originalWidth, height: originalHeight};
971 javascript code makePositioned: function(element) {
972 javascript code element = $(element);
973 javascript code var pos = Element.getStyle(element, 'position');
974 javascript code if (pos == 'static' || !pos) {
975 javascript code element._madePositioned = true;
976 javascript code element.style.position = 'relative';
977 javascript comment // Opera returns the offset relative to the positioning context, when an
978 javascript comment // element is position relative but top and left have not been defined
979 javascript code if (window.opera) {
980 javascript code element.style.top = 0;
981 javascript code element.style.left = 0;
986 javascript code undoPositioned: function(element) {
987 javascript code element = $(element);
988 javascript code if (element._madePositioned) {
989 javascript code element._madePositioned = undefined;
990 javascript code element.style.position =
991 javascript code element.style.top =
992 javascript code element.style.left =
993 javascript code element.style.bottom =
994 javascript code element.style.right = '';
998 javascript code makeClipping: function(element) {
999 javascript code element = $(element);
1000 javascript code if (element._overflow) return;
1001 javascript code element._overflow = element.style.overflow;
1002 javascript code if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
1003 javascript code element.style.overflow = 'hidden';
1006 javascript code undoClipping: function(element) {
1007 javascript code element = $(element);
1008 javascript code if (element._overflow) return;
1009 javascript code element.style.overflow = element._overflow;
1010 javascript code element._overflow = undefined;
1014 javascript code var Toggle = new Object();
1015 javascript code Toggle.display = Element.toggle;
1017 javascript comment /*--------------------------------------------------------------------------*/
1019 javascript code Abstract.Insertion = function(adjacency) {
1020 javascript code this.adjacency = adjacency;
1023 javascript code Abstract.Insertion.prototype = {
1024 javascript code initialize: function(element, content) {
1025 javascript code this.element = $(element);
1026 javascript code this.content = content.stripScripts();
1028 javascript code if (this.adjacency && this.element.insertAdjacentHTML) {
1029 javascript code try {
1030 javascript code this.element.insertAdjacentHTML(this.adjacency, this.content);
1031 javascript code } catch (e) {
1032 javascript code if (this.element.tagName.toLowerCase() == 'tbody') {
1033 javascript code this.insertContent(this.contentFromAnonymousTable());
1034 javascript code } else {
1035 javascript code throw e;
1038 javascript code } else {
1039 javascript code this.range = this.element.ownerDocument.createRange();
1040 javascript code if (this.initializeRange) this.initializeRange();
1041 javascript code this.insertContent([this.range.createContextualFragment(this.content)]);
1044 javascript code setTimeout(function() {content.evalScripts()}, 10);
1047 javascript code contentFromAnonymousTable: function() {
1048 javascript code var div = document.createElement('div');
1049 javascript code div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
1050 javascript code return $A(div.childNodes[0].childNodes[0].childNodes);
1054 javascript code var Insertion = new Object();
1056 javascript code Insertion.Before = Class.create();
1057 javascript code Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
1058 javascript code initializeRange: function() {
1059 javascript code this.range.setStartBefore(this.element);
1062 javascript code insertContent: function(fragments) {
1063 javascript code fragments.each((function(fragment) {
1064 javascript code this.element.parentNode.insertBefore(fragment, this.element);
1065 javascript code }).bind(this));
1069 javascript code Insertion.Top = Class.create();
1070 javascript code Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
1071 javascript code initializeRange: function() {
1072 javascript code this.range.selectNodeContents(this.element);
1073 javascript code this.range.collapse(true);
1076 javascript code insertContent: function(fragments) {
1077 javascript code fragments.reverse(false).each((function(fragment) {
1078 javascript code this.element.insertBefore(fragment, this.element.firstChild);
1079 javascript code }).bind(this));
1083 javascript code Insertion.Bottom = Class.create();
1084 javascript code Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
1085 javascript code initializeRange: function() {
1086 javascript code this.range.selectNodeContents(this.element);
1087 javascript code this.range.collapse(this.element);
1090 javascript code insertContent: function(fragments) {
1091 javascript code fragments.each((function(fragment) {
1092 javascript code this.element.appendChild(fragment);
1093 javascript code }).bind(this));
1097 javascript code Insertion.After = Class.create();
1098 javascript code Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
1099 javascript code initializeRange: function() {
1100 javascript code this.range.setStartAfter(this.element);
1103 javascript code insertContent: function(fragments) {
1104 javascript code fragments.each((function(fragment) {
1105 javascript code this.element.parentNode.insertBefore(fragment,
1106 javascript code this.element.nextSibling);
1107 javascript code }).bind(this));
1111 javascript comment /*--------------------------------------------------------------------------*/
1113 javascript code Element.ClassNames = Class.create();
1114 javascript code Element.ClassNames.prototype = {
1115 javascript code initialize: function(element) {
1116 javascript code this.element = $(element);
1119 javascript code _each: function(iterator) {
1120 javascript code this.element.className.split(/\s+/).select(function(name) {
1121 javascript code return name.length > 0;
1122 javascript code })._each(iterator);
1125 javascript code set: function(className) {
1126 javascript code this.element.className = className;
1129 javascript code add: function(classNameToAdd) {
1130 javascript code if (this.include(classNameToAdd)) return;
1131 javascript code this.set(this.toArray().concat(classNameToAdd).join(' '));
1134 javascript code remove: function(classNameToRemove) {
1135 javascript code if (!this.include(classNameToRemove)) return;
1136 javascript code this.set(this.select(function(className) {
1137 javascript code return className != classNameToRemove;
1138 javascript code }).join(' '));
1141 javascript code toString: function() {
1142 javascript code return this.toArray().join(' ');
1146 javascript code Object.extend(Element.ClassNames.prototype, Enumerable);
1147 javascript code var Field = {
1148 javascript code clear: function() {
1149 javascript code for (var i = 0; i < arguments.length; i++)
1150 javascript code $(arguments[i]).value = '';
1153 javascript code focus: function(element) {
1154 javascript code $(element).focus();
1157 javascript code present: function() {
1158 javascript code for (var i = 0; i < arguments.length; i++)
1159 javascript code if ($(arguments[i]).value == '') return false;
1160 javascript code return true;
1163 javascript code select: function(element) {
1164 javascript code $(element).select();
1167 javascript code activate: function(element) {
1168 javascript code element = $(element);
1169 javascript code element.focus();
1170 javascript code if (element.select)
1171 javascript code element.select();
1175 javascript comment /*--------------------------------------------------------------------------*/
1177 javascript code var Form = {
1178 javascript code serialize: function(form) {
1179 javascript code var elements = Form.getElements($(form));
1180 javascript code var queryComponents = new Array();
1182 javascript code for (var i = 0; i < elements.length; i++) {
1183 javascript code var queryComponent = Form.Element.serialize(elements[i]);
1184 javascript code if (queryComponent)
1185 javascript code queryComponents.push(queryComponent);
1188 javascript code return queryComponents.join('&');
1191 javascript code getElements: function(form) {
1192 javascript code form = $(form);
1193 javascript code var elements = new Array();
1195 javascript code for (tagName in Form.Element.Serializers) {
1196 javascript code var tagElements = form.getElementsByTagName(tagName);
1197 javascript code for (var j = 0; j < tagElements.length; j++)
1198 javascript code elements.push(tagElements[j]);
1200 javascript code return elements;
1203 javascript code getInputs: function(form, typeName, name) {
1204 javascript code form = $(form);
1205 javascript code var inputs = form.getElementsByTagName('input');
1207 javascript code if (!typeName && !name)
1208 javascript code return inputs;
1210 javascript code var matchingInputs = new Array();
1211 javascript code for (var i = 0; i < inputs.length; i++) {
1212 javascript code var input = inputs[i];
1213 javascript code if ((typeName && input.type != typeName) ||
1214 javascript code (name && input.name != name))
1215 javascript code continue;
1216 javascript code matchingInputs.push(input);
1219 javascript code return matchingInputs;
1222 javascript code disable: function(form) {
1223 javascript code var elements = Form.getElements(form);
1224 javascript code for (var i = 0; i < elements.length; i++) {
1225 javascript code var element = elements[i];
1226 javascript code element.blur();
1227 javascript code element.disabled = 'true';
1231 javascript code enable: function(form) {
1232 javascript code var elements = Form.getElements(form);
1233 javascript code for (var i = 0; i < elements.length; i++) {
1234 javascript code var element = elements[i];
1235 javascript code element.disabled = '';
1239 javascript code findFirstElement: function(form) {
1240 javascript code return Form.getElements(form).find(function(element) {
1241 javascript code return element.type != 'hidden' && !element.disabled &&
1242 javascript code ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
1246 javascript code focusFirstElement: function(form) {
1247 javascript code Field.activate(Form.findFirstElement(form));
1250 javascript code reset: function(form) {
1251 javascript code $(form).reset();
1255 javascript code Form.Element = {
1256 javascript code serialize: function(element) {
1257 javascript code element = $(element);
1258 javascript code var method = element.tagName.toLowerCase();
1259 javascript code var parameter = Form.Element.Serializers[method](element);
1261 javascript code if (parameter) {
1262 javascript code var key = encodeURIComponent(parameter[0]);
1263 javascript code if (key.length == 0) return;
1265 javascript code if (parameter[1].constructor != Array)
1266 javascript code parameter[1] = [parameter[1]];
1268 javascript code return parameter[1].map(function(value) {
1269 javascript code return key + '=' + encodeURIComponent(value);
1270 javascript code }).join('&');
1274 javascript code getValue: function(element) {
1275 javascript code element = $(element);
1276 javascript code var method = element.tagName.toLowerCase();
1277 javascript code var parameter = Form.Element.Serializers[method](element);
1279 javascript code if (parameter)
1280 javascript code return parameter[1];
1284 javascript code Form.Element.Serializers = {
1285 javascript code input: function(element) {
1286 javascript code switch (element.type.toLowerCase()) {
1287 javascript code case 'submit':
1288 javascript code case 'hidden':
1289 javascript code case 'password':
1290 javascript code case 'text':
1291 javascript code return Form.Element.Serializers.textarea(element);
1292 javascript code case 'checkbox':
1293 javascript code case 'radio':
1294 javascript code return Form.Element.Serializers.inputSelector(element);
1296 javascript code return false;
1299 javascript code inputSelector: function(element) {
1300 javascript code if (element.checked)
1301 javascript code return [element.name, element.value];
1304 javascript code textarea: function(element) {
1305 javascript code return [element.name, element.value];
1308 javascript code select: function(element) {
1309 javascript code return Form.Element.Serializers[element.type == 'select-one' ?
1310 javascript code 'selectOne' : 'selectMany'](element);
1313 javascript code selectOne: function(element) {
1314 javascript code var value = '', opt, index = element.selectedIndex;
1315 javascript code if (index >= 0) {
1316 javascript code opt = element.options[index];
1317 javascript code value = opt.value;
1318 javascript code if (!value && !('value' in opt))
1319 javascript code value = opt.text;
1321 javascript code return [element.name, value];
1324 javascript code selectMany: function(element) {
1325 javascript code var value = new Array();
1326 javascript code for (var i = 0; i < element.length; i++) {
1327 javascript code var opt = element.options[i];
1328 javascript code if (opt.selected) {
1329 javascript code var optValue = opt.value;
1330 javascript code if (!optValue && !('value' in opt))
1331 javascript code optValue = opt.text;
1332 javascript code value.push(optValue);
1335 javascript code return [element.name, value];
1339 javascript comment /*--------------------------------------------------------------------------*/
1341 javascript code var $F = Form.Element.getValue;
1343 javascript comment /*--------------------------------------------------------------------------*/
1345 javascript code Abstract.TimedObserver = function() {}
1346 javascript code Abstract.TimedObserver.prototype = {
1347 javascript code initialize: function(element, frequency, callback) {
1348 javascript code this.frequency = frequency;
1349 javascript code this.element = $(element);
1350 javascript code this.callback = callback;
1352 javascript code this.lastValue = this.getValue();
1353 javascript code this.registerCallback();
1356 javascript code registerCallback: function() {
1357 javascript code setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
1360 javascript code onTimerEvent: function() {
1361 javascript code var value = this.getValue();
1362 javascript code if (this.lastValue != value) {
1363 javascript code this.callback(this.element, value);
1364 javascript code this.lastValue = value;
1369 javascript code Form.Element.Observer = Class.create();
1370 javascript code Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
1371 javascript code getValue: function() {
1372 javascript code return Form.Element.getValue(this.element);
1376 javascript code Form.Observer = Class.create();
1377 javascript code Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
1378 javascript code getValue: function() {
1379 javascript code return Form.serialize(this.element);
1383 javascript comment /*--------------------------------------------------------------------------*/
1385 javascript code Abstract.EventObserver = function() {}
1386 javascript code Abstract.EventObserver.prototype = {
1387 javascript code initialize: function(element, callback) {
1388 javascript code this.element = $(element);
1389 javascript code this.callback = callback;
1391 javascript code this.lastValue = this.getValue();
1392 javascript code if (this.element.tagName.toLowerCase() == 'form')
1393 javascript code this.registerFormCallbacks();
1394 javascript code else
1395 javascript code this.registerCallback(this.element);
1398 javascript code onElementEvent: function() {
1399 javascript code var value = this.getValue();
1400 javascript code if (this.lastValue != value) {
1401 javascript code this.callback(this.element, value);
1402 javascript code this.lastValue = value;
1406 javascript code registerFormCallbacks: function() {
1407 javascript code var elements = Form.getElements(this.element);
1408 javascript code for (var i = 0; i < elements.length; i++)
1409 javascript code this.registerCallback(elements[i]);
1412 javascript code registerCallback: function(element) {
1413 javascript code if (element.type) {
1414 javascript code switch (element.type.toLowerCase()) {
1415 javascript code case 'checkbox':
1416 javascript code case 'radio':
1417 javascript code Event.observe(element, 'click', this.onElementEvent.bind(this));
1418 javascript code break;
1419 javascript code case 'password':
1420 javascript code case 'text':
1421 javascript code case 'textarea':
1422 javascript code case 'select-one':
1423 javascript code case 'select-multiple':
1424 javascript code Event.observe(element, 'change', this.onElementEvent.bind(this));
1425 javascript code break;
1431 javascript code Form.Element.EventObserver = Class.create();
1432 javascript code Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
1433 javascript code getValue: function() {
1434 javascript code return Form.Element.getValue(this.element);
1438 javascript code Form.EventObserver = Class.create();
1439 javascript code Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
1440 javascript code getValue: function() {
1441 javascript code return Form.serialize(this.element);
1444 javascript code if (!window.Event) {
1445 javascript code var Event = new Object();
1448 javascript code Object.extend(Event, {
1449 javascript code KEY_BACKSPACE: 8,
1450 javascript code KEY_TAB: 9,
1451 javascript code KEY_RETURN: 13,
1452 javascript code KEY_ESC: 27,
1453 javascript code KEY_LEFT: 37,
1454 javascript code KEY_UP: 38,
1455 javascript code KEY_RIGHT: 39,
1456 javascript code KEY_DOWN: 40,
1457 javascript code KEY_DELETE: 46,
1459 javascript code element: function(event) {
1460 javascript code return event.target || event.srcElement;
1463 javascript code isLeftClick: function(event) {
1464 javascript code return (((event.which) && (event.which == 1)) ||
1465 javascript code ((event.button) && (event.button == 1)));
1468 javascript code pointerX: function(event) {
1469 javascript code return event.pageX || (event.clientX +
1470 javascript code (document.documentElement.scrollLeft || document.body.scrollLeft));
1473 javascript code pointerY: function(event) {
1474 javascript code return event.pageY || (event.clientY +
1475 javascript code (document.documentElement.scrollTop || document.body.scrollTop));
1478 javascript code stop: function(event) {
1479 javascript code if (event.preventDefault) {
1480 javascript code event.preventDefault();
1481 javascript code event.stopPropagation();
1482 javascript code } else {
1483 javascript code event.returnValue = false;
1484 javascript code event.cancelBubble = true;
1488 javascript comment // find the first node with the given tagName, starting from the
1489 javascript comment // node the event was triggered on; traverses the DOM upwards
1490 javascript code findElement: function(event, tagName) {
1491 javascript code var element = Event.element(event);
1492 javascript code while (element.parentNode && (!element.tagName ||
1493 javascript code (element.tagName.toUpperCase() != tagName.toUpperCase())))
1494 javascript code element = element.parentNode;
1495 javascript code return element;
1498 javascript code observers: false,
1500 javascript code _observeAndCache: function(element, name, observer, useCapture) {
1501 javascript code if (!this.observers) this.observers = [];
1502 javascript code if (element.addEventListener) {
1503 javascript code this.observers.push([element, name, observer, useCapture]);
1504 javascript code element.addEventListener(name, observer, useCapture);
1505 javascript code } else if (element.attachEvent) {
1506 javascript code this.observers.push([element, name, observer, useCapture]);
1507 javascript code element.attachEvent('on' + name, observer);
1511 javascript code unloadCache: function() {
1512 javascript code if (!Event.observers) return;
1513 javascript code for (var i = 0; i < Event.observers.length; i++) {
1514 javascript code Event.stopObserving.apply(this, Event.observers[i]);
1515 javascript code Event.observers[i][0] = null;
1517 javascript code Event.observers = false;
1520 javascript code observe: function(element, name, observer, useCapture) {
1521 javascript code var element = $(element);
1522 javascript code useCapture = useCapture || false;
1524 javascript code if (name == 'keypress' &&
1525 javascript code (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
1526 javascript code || element.attachEvent))
1527 javascript code name = 'keydown';
1529 javascript code this._observeAndCache(element, name, observer, useCapture);
1532 javascript code stopObserving: function(element, name, observer, useCapture) {
1533 javascript code var element = $(element);
1534 javascript code useCapture = useCapture || false;
1536 javascript code if (name == 'keypress' &&
1537 javascript code (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
1538 javascript code || element.detachEvent))
1539 javascript code name = 'keydown';
1541 javascript code if (element.removeEventListener) {
1542 javascript code element.removeEventListener(name, observer, useCapture);
1543 javascript code } else if (element.detachEvent) {
1544 javascript code element.detachEvent('on' + name, observer);
1549 javascript comment /* prevent memory leaks in IE */
1550 javascript code Event.observe(window, 'unload', Event.unloadCache, false);
1551 javascript code var Position = {
1552 javascript comment // set to true if needed, warning: firefox performance problems
1553 javascript comment // NOT neeeded for page scrolling, only if draggable contained in
1554 javascript comment // scrollable elements
1555 javascript code includeScrollOffsets: false,
1557 javascript comment // must be called before calling withinIncludingScrolloffset, every time the
1558 javascript comment // page is scrolled
1559 javascript code prepare: function() {
1560 javascript code this.deltaX = window.pageXOffset
1561 javascript code || document.documentElement.scrollLeft
1562 javascript code || document.body.scrollLeft
1563 javascript code || 0;
1564 javascript code this.deltaY = window.pageYOffset
1565 javascript code || document.documentElement.scrollTop
1566 javascript code || document.body.scrollTop
1567 javascript code || 0;
1570 javascript code realOffset: function(element) {
1571 javascript code var valueT = 0, valueL = 0;
1572 javascript code do {
1573 javascript code valueT += element.scrollTop || 0;
1574 javascript code valueL += element.scrollLeft || 0;
1575 javascript code element = element.parentNode;
1576 javascript code } while (element);
1577 javascript code return [valueL, valueT];
1580 javascript code cumulativeOffset: function(element) {
1581 javascript code var valueT = 0, valueL = 0;
1582 javascript code do {
1583 javascript code valueT += element.offsetTop || 0;
1584 javascript code valueL += element.offsetLeft || 0;
1585 javascript code element = element.offsetParent;
1586 javascript code } while (element);
1587 javascript code return [valueL, valueT];
1590 javascript code positionedOffset: function(element) {
1591 javascript code var valueT = 0, valueL = 0;
1592 javascript code do {
1593 javascript code valueT += element.offsetTop || 0;
1594 javascript code valueL += element.offsetLeft || 0;
1595 javascript code element = element.offsetParent;
1596 javascript code if (element) {
1597 javascript code p = Element.getStyle(element, 'position');
1598 javascript code if (p == 'relative' || p == 'absolute') break;
1600 javascript code } while (element);
1601 javascript code return [valueL, valueT];
1604 javascript code offsetParent: function(element) {
1605 javascript code if (element.offsetParent) return element.offsetParent;
1606 javascript code if (element == document.body) return element;
1608 javascript code while ((element = element.parentNode) && element != document.body)
1609 javascript code if (Element.getStyle(element, 'position') != 'static')
1610 javascript code return element;
1612 javascript code return document.body;
1615 javascript comment // caches x/y coordinate pair to use with overlap
1616 javascript code within: function(element, x, y) {
1617 javascript code if (this.includeScrollOffsets)
1618 javascript code return this.withinIncludingScrolloffsets(element, x, y);
1619 javascript code this.xcomp = x;
1620 javascript code this.ycomp = y;
1621 javascript code this.offset = this.cumulativeOffset(element);
1623 javascript code return (y >= this.offset[1] &&
1624 javascript code y < this.offset[1] + element.offsetHeight &&
1625 javascript code x >= this.offset[0] &&
1626 javascript code x < this.offset[0] + element.offsetWidth);
1629 javascript code withinIncludingScrolloffsets: function(element, x, y) {
1630 javascript code var offsetcache = this.realOffset(element);
1632 javascript code this.xcomp = x + offsetcache[0] - this.deltaX;
1633 javascript code this.ycomp = y + offsetcache[1] - this.deltaY;
1634 javascript code this.offset = this.cumulativeOffset(element);
1636 javascript code return (this.ycomp >= this.offset[1] &&
1637 javascript code this.ycomp < this.offset[1] + element.offsetHeight &&
1638 javascript code this.xcomp >= this.offset[0] &&
1639 javascript code this.xcomp < this.offset[0] + element.offsetWidth);
1642 javascript comment // within must be called directly before
1643 javascript code overlap: function(mode, element) {
1644 javascript code if (!mode) return 0;
1645 javascript code if (mode == 'vertical')
1646 javascript code return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
1647 javascript code element.offsetHeight;
1648 javascript code if (mode == 'horizontal')
1649 javascript code return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
1650 javascript code element.offsetWidth;
1653 javascript code clone: function(source, target) {
1654 javascript code source = $(source);
1655 javascript code target = $(target);
1656 javascript code target.style.position = 'absolute';
1657 javascript code var offsets = this.cumulativeOffset(source);
1658 javascript code target.style.top = offsets[1] + 'px';
1659 javascript code target.style.left = offsets[0] + 'px';
1660 javascript code target.style.width = source.offsetWidth + 'px';
1661 javascript code target.style.height = source.offsetHeight + 'px';
1664 javascript code page: function(forElement) {
1665 javascript code var valueT = 0, valueL = 0;
1667 javascript code var element = forElement;
1668 javascript code do {
1669 javascript code valueT += element.offsetTop || 0;
1670 javascript code valueL += element.offsetLeft || 0;
1672 javascript comment // Safari fix
1673 javascript code if (element.offsetParent==document.body)
1674 javascript code if (Element.getStyle(element,'position')=='absolute') break;
1676 javascript code } while (element = element.offsetParent);
1678 javascript code element = forElement;
1679 javascript code do {
1680 javascript code valueT -= element.scrollTop || 0;
1681 javascript code valueL -= element.scrollLeft || 0;
1682 javascript code } while (element = element.parentNode);
1684 javascript code return [valueL, valueT];
1687 javascript code clone: function(source, target) {
1688 javascript code var options = Object.extend({
1689 javascript code setLeft: true,
1690 javascript code setTop: true,
1691 javascript code setWidth: true,
1692 javascript code setHeight: true,
1693 javascript code offsetTop: 0,
1694 javascript code offsetLeft: 0
1695 javascript code }, arguments[2] || {})
1697 javascript comment // find page position of source
1698 javascript code source = $(source);
1699 javascript code var p = Position.page(source);
1701 javascript comment // find coordinate system to use
1702 javascript code target = $(target);
1703 javascript code var delta = [0, 0];
1704 javascript code var parent = null;
1705 javascript comment // delta [0,0] will do fine with position: fixed elements,
1706 javascript comment // position:absolute needs offsetParent deltas
1707 javascript code if (Element.getStyle(target,'position') == 'absolute') {
1708 javascript code parent = Position.offsetParent(target);
1709 javascript code delta = Position.page(parent);
1712 javascript comment // correct by body offsets (fixes Safari)
1713 javascript code if (parent == document.body) {
1714 javascript code delta[0] -= document.body.offsetLeft;
1715 javascript code delta[1] -= document.body.offsetTop;
1718 javascript comment // set position
1719 javascript code if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
1720 javascript code if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
1721 javascript code if(options.setWidth) target.style.width = source.offsetWidth + 'px';
1722 javascript code if(options.setHeight) target.style.height = source.offsetHeight + 'px';
1725 javascript code absolutize: function(element) {
1726 javascript code element = $(element);
1727 javascript code if (element.style.position == 'absolute') return;
1728 javascript code Position.prepare();
1730 javascript code var offsets = Position.positionedOffset(element);
1731 javascript code var top = offsets[1];
1732 javascript code var left = offsets[0];
1733 javascript code var width = element.clientWidth;
1734 javascript code var height = element.clientHeight;
1736 javascript code element._originalLeft = left - parseFloat(element.style.left || 0);
1737 javascript code element._originalTop = top - parseFloat(element.style.top || 0);
1738 javascript code element._originalWidth = element.style.width;
1739 javascript code element._originalHeight = element.style.height;
1741 javascript code element.style.position = 'absolute';
1742 javascript code element.style.top = top + 'px';;
1743 javascript code element.style.left = left + 'px';;
1744 javascript code element.style.width = width + 'px';;
1745 javascript code element.style.height = height + 'px';;
1748 javascript code relativize: function(element) {
1749 javascript code element = $(element);
1750 javascript code if (element.style.position == 'relative') return;
1751 javascript code Position.prepare();
1753 javascript code element.style.position = 'relative';
1754 javascript code var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
1755 javascript code var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
1757 javascript code element.style.top = top + 'px';
1758 javascript code element.style.left = left + 'px';
1759 javascript code element.style.height = element._originalHeight;
1760 javascript code element.style.width = element._originalWidth;
1764 javascript comment // Safari returns margins on body which is incorrect if the child is absolutely
1765 javascript comment // positioned. For performance reasons, redefine Position.cumulativeOffset for
1766 javascript comment // KHTML/WebKit only.
1767 javascript code if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
1768 javascript code Position.cumulativeOffset = function(element) {
1769 javascript code var valueT = 0, valueL = 0;
1770 javascript code do {
1771 javascript code valueT += element.offsetTop || 0;
1772 javascript code valueL += element.offsetLeft || 0;
1773 javascript code if (element.offsetParent == document.body)
1774 javascript code if (Element.getStyle(element, 'position') == 'absolute') break;
1776 javascript code element = element.offsetParent;
1777 javascript code } while (element);
1779 javascript code return [valueL, valueT];