NICE recommendations are not evidence based and could = expose many to unnecessary harm -- Timimi et al. 337 (272): a2284 -- = BMJ

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iterator(value);=0A= value =3D value.succ();=0A= }=0A= },=0A= =0A= include: function(value) {=0A= if (value < this.start)=0A= return false;=0A= if (this.exclusive)=0A= return value < this.end;=0A= return value <=3D this.end;=0A= }=0A= });=0A= =0A= var $R =3D function(start, end, exclusive) {=0A= return new ObjectRange(start, end, exclusive);=0A= }=0A= =0A= var Ajax =3D {=0A= getTransport: function() {=0A= return Try.these(=0A= function() {return new XMLHttpRequest()},=0A= function() {return new ActiveXObject('Msxml2.XMLHTTP')},=0A= function() {return new ActiveXObject('Microsoft.XMLHTTP')}=0A= ) || false;=0A= },=0A= =0A= activeRequestCount: 0=0A= }=0A= =0A= Ajax.Responders =3D {=0A= responders: [],=0A= =0A= _each: function(iterator) {=0A= this.responders._each(iterator);=0A= },=0A= =0A= register: function(responder) {=0A= if (!this.include(responder))=0A= this.responders.push(responder);=0A= },=0A= =0A= unregister: function(responder) {=0A= this.responders =3D 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this.options.parameters =3D=3D = 'string' ?=0A= this.options.parameters.toQueryParams() : this.options.parameters);=0A= }=0A= }=0A= =0A= Ajax.Request =3D Class.create();=0A= Ajax.Request.Events =3D=0A= ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];=0A= =0A= Ajax.Request.prototype =3D Object.extend(new Ajax.Base(), {=0A= _complete: false,=0A= =0A= initialize: function(url, options) {=0A= this.transport =3D Ajax.getTransport();=0A= this.setOptions(options);=0A= this.request(url);=0A= },=0A= =0A= request: function(url) {=0A= var params =3D this.options.parameters;=0A= if (params.any()) params['_'] =3D '';=0A= =0A= if (!['get', 'post'].include(this.options.method)) {=0A= // simulate other verbs over post=0A= params['_method'] =3D this.options.method;=0A= this.options.method =3D 'post';=0A= }=0A= =0A= this.url =3D url;=0A= =0A= // when GET, append parameters to URL=0A= if (this.options.method =3D=3D 'get' && params.any())=0A= this.url +=3D (this.url.indexOf('?') >=3D 0 ? '&' : '?') +=0A= params.toQueryString();=0A= =0A= try {=0A= Ajax.Responders.dispatch('onCreate', this, this.transport);=0A= =0A= this.transport.open(this.options.method.toUpperCase(), this.url,=0A= this.options.asynchronous, this.options.username,=0A= this.options.password);=0A= =0A= if (this.options.asynchronous)=0A= setTimeout(function() { this.respondToReadyState(1) = }.bind(this), 10);=0A= =0A= this.transport.onreadystatechange =3D = this.onStateChange.bind(this);=0A= this.setRequestHeaders();=0A= =0A= var body =3D this.options.method =3D=3D 'post' ?=0A= (this.options.postBody || params.toQueryString()) : null;=0A= =0A= this.transport.send(body);=0A= =0A= /* Force Firefox to handle ready state 4 for synchronous requests = */=0A= if (!this.options.asynchronous && this.transport.overrideMimeType)=0A= this.onStateChange();=0A= =0A= }=0A= catch (e) {=0A= this.dispatchException(e);=0A= }=0A= },=0A= =0A= onStateChange: function() {=0A= var readyState =3D this.transport.readyState;=0A= if (readyState > 1 && !((readyState =3D=3D 4) && this._complete))=0A= this.respondToReadyState(this.transport.readyState);=0A= },=0A= =0A= setRequestHeaders: function() {=0A= var headers =3D {=0A= 'X-Requested-With': 'XMLHttpRequest',=0A= 'X-Prototype-Version': Prototype.Version,=0A= 'Accept': 'text/javascript, text/html, application/xml, text/xml, = */*'=0A= };=0A= =0A= if (this.options.method =3D=3D 'post') {=0A= headers['Content-type'] =3D this.options.contentType +=0A= (this.options.encoding ? '; charset=3D' + this.options.encoding = : '');=0A= =0A= /* Force "Connection: close" for older Mozilla browsers to work=0A= * around a bug where XMLHttpRequest sends an incorrect=0A= * Content-length header. See Mozilla Bugzilla #246651.=0A= */=0A= if (this.transport.overrideMimeType &&=0A= (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < = 2005)=0A= headers['Connection'] =3D 'close';=0A= }=0A= =0A= // user-defined headers=0A= if (typeof this.options.requestHeaders =3D=3D 'object') {=0A= var extras =3D this.options.requestHeaders;=0A= =0A= if (typeof extras.push =3D=3D 'function')=0A= for (var i =3D 0, length =3D extras.length; i < length; i +=3D 2)=0A= headers[extras[i]] =3D extras[i+1];=0A= else=0A= $H(extras).each(function(pair) { headers[pair.key] =3D = pair.value });=0A= }=0A= =0A= for (var name in headers)=0A= this.transport.setRequestHeader(name, headers[name]);=0A= },=0A= =0A= success: function() {=0A= return !this.transport.status=0A= || (this.transport.status >=3D 200 && this.transport.status < = 300);=0A= },=0A= =0A= respondToReadyState: function(readyState) {=0A= var state =3D Ajax.Request.Events[readyState];=0A= var transport =3D this.transport, json =3D this.evalJSON();=0A= =0A= if (state =3D=3D 'Complete') {=0A= try {=0A= this._complete =3D true;=0A= (this.options['on' + this.transport.status]=0A= || this.options['on' + (this.success() ? 'Success' : 'Failure')]=0A= || Prototype.emptyFunction)(transport, json);=0A= } catch (e) {=0A= this.dispatchException(e);=0A= }=0A= }=0A= =0A= try {=0A= (this.options['on' + state] || Prototype.emptyFunction)(transport, = json);=0A= Ajax.Responders.dispatch('on' + state, this, transport, json);=0A= } catch (e) {=0A= this.dispatchException(e);=0A= }=0A= =0A= if (state =3D=3D 'Complete') {=0A= if ((this.getHeader('Content-type') || '').strip().=0A= match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))=0A= this.evalResponse();=0A= =0A= // avoid memory leak in MSIE: clean up=0A= this.transport.onreadystatechange =3D Prototype.emptyFunction;=0A= }=0A= },=0A= =0A= getHeader: function(name) {=0A= try {=0A= return this.transport.getResponseHeader(name);=0A= } catch (e) { return null }=0A= },=0A= =0A= evalJSON: function() {=0A= try {=0A= var json =3D this.getHeader('X-JSON');=0A= return json ? eval('(' + json + ')') : null;=0A= } catch (e) { return null }=0A= },=0A= =0A= evalResponse: function() {=0A= try {=0A= return eval(this.transport.responseText);=0A= } catch (e) {=0A= this.dispatchException(e);=0A= }=0A= },=0A= =0A= dispatchException: function(exception) {=0A= (this.options.onException || Prototype.emptyFunction)(this, = exception);=0A= Ajax.Responders.dispatch('onException', this, exception);=0A= }=0A= });=0A= =0A= Ajax.Updater =3D Class.create();=0A= =0A= Object.extend(Object.extend(Ajax.Updater.prototype, = Ajax.Request.prototype), {=0A= initialize: function(container, url, options) {=0A= this.container =3D {=0A= success: (container.success || container),=0A= failure: (container.failure || (container.success ? null : = container))=0A= }=0A= =0A= this.transport =3D Ajax.getTransport();=0A= this.setOptions(options);=0A= =0A= var onComplete =3D this.options.onComplete || = Prototype.emptyFunction;=0A= this.options.onComplete =3D (function(transport, param) {=0A= this.updateContent();=0A= onComplete(transport, param);=0A= }).bind(this);=0A= =0A= this.request(url);=0A= },=0A= =0A= updateContent: function() {=0A= var receiver =3D this.container[this.success() ? 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'hide' : 'show'](element);=0A= return element;=0A= },=0A= =0A= hide: function(element) {=0A= $(element).style.display =3D 'none';=0A= return element;=0A= },=0A= =0A= show: function(element) {=0A= $(element).style.display =3D '';=0A= return element;=0A= },=0A= =0A= remove: function(element) {=0A= element =3D $(element);=0A= element.parentNode.removeChild(element);=0A= return element;=0A= },=0A= =0A= update: function(element, html) {=0A= html =3D typeof html =3D=3D 'undefined' ? 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getElementsBySelector: function() {=0A= var args =3D $A(arguments), element =3D $(args.shift());=0A= return Selector.findChildElements(element, args);=0A= },=0A= =0A= getElementsByClassName: function(element, className) {=0A= element =3D $(element);=0A= return document.getElementsByClassName(className, element);=0A= },=0A= =0A= readAttribute: function(element, name) {=0A= return $(element).getAttribute(name);=0A= },=0A= =0A= getHeight: function(element) {=0A= element =3D $(element);=0A= return element.offsetHeight;=0A= },=0A= =0A= classNames: function(element) {=0A= return new Element.ClassNames(element);=0A= },=0A= =0A= hasClassName: function(element, className) {=0A= if (!(element =3D $(element))) return;=0A= var elementClassName =3D element.className;=0A= if (elementClassName.length =3D=3D 0) return false;=0A= if (elementClassName =3D=3D className ||=0A= elementClassName.match(new RegExp("(^|\\s)" + className + = "(\\s|$)")))=0A= return true;=0A= return false;=0A= },=0A= =0A= addClassName: function(element, className) {=0A= if (!(element =3D $(element))) return;=0A= Element.classNames(element).add(className);=0A= return element;=0A= },=0A= =0A= removeClassName: function(element, className) {=0A= if (!(element =3D $(element))) return;=0A= Element.classNames(element).remove(className);=0A= return element;=0A= },=0A= =0A= observe: function() {=0A= Event.observe.apply(Event, arguments);=0A= return $A(arguments).first();=0A= },=0A= =0A= stopObserving: function() {=0A= Event.stopObserving.apply(Event, arguments);=0A= return $A(arguments).first();=0A= },=0A= =0A= // removes whitespace-only text node children=0A= cleanWhitespace: function(element) {=0A= element =3D $(element);=0A= var node =3D element.firstChild;=0A= while (node) {=0A= var nextNode =3D node.nextSibling;=0A= if (node.nodeType =3D=3D 3 && !/\S/.test(node.nodeValue))=0A= element.removeChild(node);=0A= node =3D nextNode;=0A= }=0A= return element;=0A= },=0A= =0A= empty: function(element) {=0A= return $(element).innerHTML.match(/^\s*$/);=0A= },=0A= =0A= childOf: function(element, ancestor) {=0A= element =3D $(element), ancestor =3D $(ancestor);=0A= while (element =3D element.parentNode)=0A= if (element =3D=3D ancestor) return true;=0A= return false;=0A= },=0A= =0A= scrollTo: function(element) {=0A= element =3D $(element);=0A= var x =3D element.x ? element.x : element.offsetLeft,=0A= y =3D element.y ? element.y : element.offsetTop;=0A= window.scrollTo(x, y);=0A= return element;=0A= },=0A= =0A= getStyle: function(element, style) {=0A= element =3D $(element);=0A= var inline =3D (style =3D=3D 'float' ?=0A= (typeof element.style.styleFloat !=3D 'undefined' ? 'styleFloat' : = 'cssFloat') : style);=0A= var value =3D element.style[inline.camelize()];=0A= if (!value) {=0A= if (document.defaultView && document.defaultView.getComputedStyle) = {=0A= var css =3D document.defaultView.getComputedStyle(element, null);=0A= value =3D css ? css.getPropertyValue(style) : null;=0A= } else if (element.currentStyle) {=0A= value =3D element.currentStyle[inline.camelize()];=0A= }=0A= }=0A= =0A= if((value =3D=3D 'auto') && ['width','height'].include(style) && = (element.getStyle('display') !=3D 'none'))=0A= value =3D = element['offset'+style.charAt(0).toUpperCase()+style.substring(1)] + = 'px';=0A= =0A= if (window.opera && ['left', 'top', 'right', = 'bottom'].include(style))=0A= if (Element.getStyle(element, 'position') =3D=3D 'static') value = =3D 'auto';=0A= =0A= return value =3D=3D 'auto' ? null : value;=0A= },=0A= =0A= setStyle: function(element, style) {=0A= element =3D $(element);=0A= for (var name in style)=0A= element.style[ (name =3D=3D 'float' ?=0A= ((typeof element.style.styleFloat !=3D 'undefined') ? = 'styleFloat' : 'cssFloat') : name).camelize()=0A= ] =3D style[name];=0A= return element;=0A= },=0A= =0A= getDimensions: function(element) {=0A= element =3D $(element);=0A= if (Element.getStyle(element, 'display') !=3D 'none')=0A= return {width: element.offsetWidth, height: element.offsetHeight};=0A= =0A= // All *Width and *Height properties give 0 on elements with display = none,=0A= // so enable the element temporarily=0A= var els =3D element.style;=0A= var originalVisibility =3D els.visibility;=0A= var originalPosition =3D els.position;=0A= els.visibility =3D 'hidden';=0A= els.position =3D 'absolute';=0A= els.display =3D '';=0A= var originalWidth =3D element.clientWidth;=0A= var originalHeight =3D element.clientHeight;=0A= els.display =3D 'none';=0A= els.position =3D originalPosition;=0A= els.visibility =3D originalVisibility;=0A= return {width: originalWidth, height: originalHeight};=0A= },=0A= =0A= makePositioned: function(element) {=0A= element =3D $(element);=0A= var pos =3D Element.getStyle(element, 'position');=0A= if (pos =3D=3D 'static' || !pos) {=0A= element._madePositioned =3D true;=0A= element.style.position =3D 'relative';=0A= // Opera returns the offset relative to the positioning context, = when an=0A= // element is position relative but top and left have not been = defined=0A= if (window.opera) {=0A= element.style.top =3D 0;=0A= element.style.left =3D 0;=0A= }=0A= }=0A= return element;=0A= },=0A= =0A= undoPositioned: function(element) {=0A= element =3D $(element);=0A= if (element._madePositioned) {=0A= element._madePositioned =3D undefined;=0A= element.style.position =3D=0A= element.style.top =3D=0A= element.style.left =3D=0A= element.style.bottom =3D=0A= element.style.right =3D '';=0A= }=0A= return element;=0A= },=0A= =0A= makeClipping: function(element) {=0A= element =3D $(element);=0A= if (element._overflow) return element;=0A= element._overflow =3D element.style.overflow || 'auto';=0A= if ((Element.getStyle(element, 'overflow') || 'visible') !=3D = 'hidden')=0A= element.style.overflow =3D 'hidden';=0A= return element;=0A= },=0A= =0A= undoClipping: function(element) {=0A= element =3D $(element);=0A= if (!element._overflow) return element;=0A= element.style.overflow =3D element._overflow =3D=3D 'auto' ? '' : = element._overflow;=0A= element._overflow =3D null;=0A= return element;=0A= }=0A= }=0A= =0A= Element.Methods.Simulated =3D {=0A= hasAttribute: function(element, attribute) {=0A= return $(element).getAttributeNode(attribute).specified;=0A= }=0A= }=0A= =0A= // IE is missing .innerHTML support for TABLE-related elements=0A= if(document.all){=0A= Element.Methods.update =3D function(element, html) {=0A= element =3D $(element);=0A= html =3D typeof html =3D=3D 'undefined' ? '' : html.toString();=0A= var tagName =3D element.tagName.toUpperCase();=0A= if (['THEAD','TBODY','TR','TD'].include(tagName)) {=0A= var div =3D document.createElement('div');=0A= switch (tagName) {=0A= case 'THEAD':=0A= case 'TBODY':=0A= div.innerHTML =3D '' + html.stripScripts() + = '

';=0A= depth =3D 2;=0A= break;=0A= case 'TR':=0A= div.innerHTML =3D '' + html.stripScripts() = + '

';=0A= depth =3D 3;=0A= break;=0A= case 'TD':=0A= div.innerHTML =3D '

' + = html.stripScripts() + '

';=0A= depth =3D 4;=0A= }=0A= $A(element.childNodes).each(function(node){=0A= element.removeChild(node)=0A= });=0A= depth.times(function(){ div =3D div.firstChild });=0A= =0A= $A(div.childNodes).each(=0A= function(node){ element.appendChild(node) });=0A= } else {=0A= element.innerHTML =3D html.stripScripts();=0A= }=0A= setTimeout(function() {html.evalScripts()}, 10);=0A= return element;=0A= }=0A= }=0A= =0A= Object.extend(Element, Element.Methods);=0A= =0A= var _nativeExtensions =3D false;=0A= =0A= if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))=0A= ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {=0A= var className =3D 'HTML' + tag + 'Element';=0A= if(window[className]) return;=0A= var klass =3D window[className] =3D {};=0A= klass.prototype =3D document.createElement(tag ? tag.toLowerCase() : = 'div').__proto__;=0A= });=0A= =0A= Element.addMethods =3D function(methods) {=0A= Object.extend(Element.Methods, methods || {});=0A= =0A= function copy(methods, destination, onlyIfAbsent) {=0A= onlyIfAbsent =3D onlyIfAbsent || false;=0A= var cache =3D Element.extend.cache;=0A= for (var property in methods) {=0A= var value =3D methods[property];=0A= if (!onlyIfAbsent || !(property in destination))=0A= destination[property] =3D cache.findOrStore(value);=0A= }=0A= }=0A= =0A= if (typeof HTMLElement !=3D 'undefined') {=0A= copy(Element.Methods, HTMLElement.prototype);=0A= copy(Element.Methods.Simulated, HTMLElement.prototype, true);=0A= copy(Form.Methods, HTMLFormElement.prototype);=0A= [HTMLInputElement, HTMLTextAreaElement, = HTMLSelectElement].each(function(klass) {=0A= copy(Form.Element.Methods, klass.prototype);=0A= });=0A= _nativeExtensions =3D true;=0A= }=0A= }=0A= =0A= var Toggle =3D new Object();=0A= Toggle.display =3D Element.toggle;=0A= =0A= /*-----------------------------------------------------------------------= ---*/=0A= =0A= Abstract.Insertion =3D function(adjacency) {=0A= this.adjacency =3D adjacency;=0A= }=0A= =0A= Abstract.Insertion.prototype =3D {=0A= initialize: function(element, content) {=0A= this.element =3D $(element);=0A= this.content =3D content.stripScripts();=0A= =0A= if (this.adjacency && this.element.insertAdjacentHTML) {=0A= try {=0A= this.element.insertAdjacentHTML(this.adjacency, this.content);=0A= } catch (e) {=0A= var tagName =3D this.element.tagName.toUpperCase();=0A= if (['TBODY', 'TR'].include(tagName)) {=0A= this.insertContent(this.contentFromAnonymousTable());=0A= } else {=0A= throw e;=0A= }=0A= }=0A= } else {=0A= this.range =3D this.element.ownerDocument.createRange();=0A= if (this.initializeRange) this.initializeRange();=0A= = this.insertContent([this.range.createContextualFragment(this.content)]);=0A= }=0A= =0A= setTimeout(function() {content.evalScripts()}, 10);=0A= },=0A= =0A= contentFromAnonymousTable: function() {=0A= var div =3D document.createElement('div');=0A= div.innerHTML =3D '' + this.content + = '

';=0A= return $A(div.childNodes[0].childNodes[0].childNodes);=0A= }=0A= }=0A= =0A= var Insertion =3D new Object();=0A= =0A= Insertion.Before =3D Class.create();=0A= Insertion.Before.prototype =3D Object.extend(new = Abstract.Insertion('beforeBegin'), {=0A= initializeRange: function() {=0A= this.range.setStartBefore(this.element);=0A= },=0A= =0A= insertContent: function(fragments) {=0A= fragments.each((function(fragment) {=0A= this.element.parentNode.insertBefore(fragment, this.element);=0A= }).bind(this));=0A= }=0A= });=0A= =0A= Insertion.Top =3D Class.create();=0A= Insertion.Top.prototype =3D Object.extend(new = Abstract.Insertion('afterBegin'), {=0A= initializeRange: function() {=0A= this.range.selectNodeContents(this.element);=0A= this.range.collapse(true);=0A= },=0A= =0A= insertContent: function(fragments) {=0A= fragments.reverse(false).each((function(fragment) {=0A= this.element.insertBefore(fragment, this.element.firstChild);=0A= }).bind(this));=0A= }=0A= });=0A= =0A= Insertion.Bottom =3D Class.create();=0A= Insertion.Bottom.prototype =3D Object.extend(new = Abstract.Insertion('beforeEnd'), {=0A= initializeRange: function() {=0A= this.range.selectNodeContents(this.element);=0A= this.range.collapse(this.element);=0A= },=0A= =0A= insertContent: function(fragments) {=0A= fragments.each((function(fragment) {=0A= this.element.appendChild(fragment);=0A= }).bind(this));=0A= }=0A= });=0A= =0A= Insertion.After =3D Class.create();=0A= Insertion.After.prototype =3D Object.extend(new = Abstract.Insertion('afterEnd'), {=0A= initializeRange: function() {=0A= this.range.setStartAfter(this.element);=0A= },=0A= =0A= insertContent: function(fragments) {=0A= fragments.each((function(fragment) {=0A= this.element.parentNode.insertBefore(fragment,=0A= this.element.nextSibling);=0A= }).bind(this));=0A= }=0A= });=0A= =0A= /*-----------------------------------------------------------------------= ---*/=0A= =0A= Element.ClassNames =3D Class.create();=0A= Element.ClassNames.prototype =3D {=0A= initialize: function(element) {=0A= this.element =3D $(element);=0A= },=0A= =0A= _each: function(iterator) {=0A= this.element.className.split(/\s+/).select(function(name) {=0A= return name.length > 0;=0A= })._each(iterator);=0A= },=0A= =0A= set: function(className) {=0A= this.element.className =3D className;=0A= },=0A= =0A= add: function(classNameToAdd) {=0A= if (this.include(classNameToAdd)) return;=0A= this.set($A(this).concat(classNameToAdd).join(' '));=0A= },=0A= =0A= remove: function(classNameToRemove) {=0A= if (!this.include(classNameToRemove)) return;=0A= this.set($A(this).without(classNameToRemove).join(' '));=0A= },=0A= =0A= toString: function() {=0A= return $A(this).join(' ');=0A= }=0A= }=0A= =0A= Object.extend(Element.ClassNames.prototype, Enumerable);=0A= var Selector =3D Class.create();=0A= Selector.prototype =3D {=0A= initialize: function(expression) {=0A= this.params =3D {classNames: []};=0A= this.expression =3D expression.toString().strip();=0A= this.parseExpression();=0A= this.compileMatcher();=0A= },=0A= =0A= parseExpression: function() {=0A= function abort(message) { throw 'Parse error in selector: ' + = message; }=0A= =0A= if (this.expression =3D=3D '') abort('empty expression');=0A= =0A= var params =3D this.params, expr =3D this.expression, match, = modifier, clause, rest;=0A= while (match =3D = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=3D)(?:"([^"]*)"|([^\]\s]*))= )?\]$/i)) {=0A= params.attributes =3D params.attributes || [];=0A= params.attributes.push({name: match[2], operator: match[3], value: = match[4] || match[5] || ''});=0A= expr =3D match[1];=0A= }=0A= =0A= if (expr =3D=3D '*') return this.params.wildcard =3D true;=0A= =0A= while (match =3D expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {=0A= modifier =3D match[1], clause =3D match[2], rest =3D match[3];=0A= switch (modifier) {=0A= case '#': params.id =3D clause; break;=0A= case '.': params.classNames.push(clause); break;=0A= case '':=0A= case undefined: params.tagName =3D clause.toUpperCase(); break;=0A= default: abort(expr.inspect());=0A= }=0A= expr =3D rest;=0A= }=0A= =0A= if (expr.length > 0) abort(expr.inspect());=0A= },=0A= =0A= buildMatchExpression: function() {=0A= var params =3D this.params, conditions =3D [], clause;=0A= =0A= if (params.wildcard)=0A= conditions.push('true');=0A= if (clause =3D params.id)=0A= conditions.push('element.id =3D=3D ' + clause.inspect());=0A= if (clause =3D params.tagName)=0A= conditions.push('element.tagName.toUpperCase() =3D=3D ' + = clause.inspect());=0A= if ((clause =3D params.classNames).length > 0)=0A= for (var i =3D 0, length =3D clause.length; i < length; i++)=0A= conditions.push('Element.hasClassName(element, ' + = clause[i].inspect() + ')');=0A= if (clause =3D params.attributes) {=0A= clause.each(function(attribute) {=0A= var value =3D 'element.getAttribute(' + attribute.name.inspect() = + ')';=0A= var splitValueBy =3D function(delimiter) {=0A= return value + ' && ' + value + '.split(' + = delimiter.inspect() + ')';=0A= }=0A= =0A= switch (attribute.operator) {=0A= case '=3D': conditions.push(value + ' =3D=3D ' + = attribute.value.inspect()); break;=0A= case '~=3D': conditions.push(splitValueBy(' ') + = '.include(' + attribute.value.inspect() + ')'); break;=0A= case '|=3D': conditions.push(=0A= splitValueBy('-') + '.first().toUpperCase() = =3D=3D ' + attribute.value.toUpperCase().inspect()=0A= ); break;=0A= case '!=3D': conditions.push(value + ' !=3D ' + = attribute.value.inspect()); break;=0A= case '':=0A= case undefined: conditions.push(value + ' !=3D null'); break;=0A= default: throw 'Unknown operator ' + attribute.operator = + ' in selector';=0A= }=0A= });=0A= }=0A= =0A= return conditions.join(' && ');=0A= },=0A= =0A= compileMatcher: function() {=0A= this.match =3D new Function('element', 'if (!element.tagName) return = false; \=0A= return ' + this.buildMatchExpression());=0A= },=0A= =0A= findElements: function(scope) {=0A= var element;=0A= =0A= if (element =3D $(this.params.id))=0A= if (this.match(element))=0A= if (!scope || Element.childOf(element, scope))=0A= return [element];=0A= =0A= scope =3D (scope || = document).getElementsByTagName(this.params.tagName || '*');=0A= =0A= var results =3D [];=0A= for (var i =3D 0, length =3D scope.length; i < length; i++)=0A= if (this.match(element =3D scope[i]))=0A= results.push(Element.extend(element));=0A= =0A= return results;=0A= },=0A= =0A= toString: function() {=0A= return this.expression;=0A= }=0A= }=0A= =0A= Object.extend(Selector, {=0A= matchElements: function(elements, expression) {=0A= var selector =3D new Selector(expression);=0A= return = elements.select(selector.match.bind(selector)).collect(Element.extend);=0A= },=0A= =0A= findElement: function(elements, expression, index) {=0A= if (typeof expression =3D=3D 'number') index =3D expression, = expression =3D false;=0A= return Selector.matchElements(elements, expression || '*')[index || = 0];=0A= },=0A= =0A= findChildElements: function(element, expressions) {=0A= return expressions.map(function(expression) {=0A= return expression.strip().split(/\s+/).inject([null], = function(results, expr) {=0A= var selector =3D new Selector(expr);=0A= return results.inject([], function(elements, result) {=0A= return elements.concat(selector.findElements(result || = element));=0A= });=0A= });=0A= }).flatten();=0A= }=0A= });=0A= =0A= function $$() {=0A= return Selector.findChildElements(document, $A(arguments));=0A= }=0A= var Form =3D {=0A= reset: function(form) {=0A= $(form).reset();=0A= return form;=0A= },=0A= =0A= serializeElements: function(elements) {=0A= return elements.inject([], function(queryComponents, element) {=0A= var queryComponent =3D Form.Element.serialize(element);=0A= if (queryComponent) queryComponents.push(queryComponent);=0A= return queryComponents;=0A= }).join('&');=0A= }=0A= };=0A= =0A= Form.Methods =3D {=0A= serialize: function(form) {=0A= return Form.serializeElements($(form).getElements());=0A= },=0A= =0A= getElements: function(form) {=0A= return $A($(form).getElementsByTagName('*')).inject([],=0A= function(elements, child) {=0A= if (Form.Element.Serializers[child.tagName.toLowerCase()])=0A= elements.push(Element.extend(child));=0A= return elements;=0A= }=0A= );=0A= },=0A= =0A= getInputs: function(form, typeName, name) {=0A= form =3D $(form);=0A= var inputs =3D form.getElementsByTagName('input');=0A= =0A= if (!typeName && !name)=0A= return inputs;=0A= =0A= var matchingInputs =3D new Array();=0A= for (var i =3D 0, length =3D inputs.length; i < length; i++) {=0A= var input =3D inputs[i];=0A= if ((typeName && input.type !=3D typeName) ||=0A= (name && input.name !=3D name))=0A= continue;=0A= matchingInputs.push(Element.extend(input));=0A= }=0A= =0A= return matchingInputs;=0A= },=0A= =0A= disable: function(form) {=0A= form =3D $(form);=0A= form.getElements().each(function(element) {=0A= element.blur();=0A= element.disabled =3D 'true';=0A= });=0A= return form;=0A= },=0A= =0A= enable: function(form) {=0A= form =3D $(form);=0A= form.getElements().each(function(element) {=0A= element.disabled =3D '';=0A= });=0A= return form;=0A= },=0A= =0A= findFirstElement: function(form) {=0A= return $(form).getElements().find(function(element) {=0A= return element.type !=3D 'hidden' && !element.disabled &&=0A= ['input', 'select', = 'textarea'].include(element.tagName.toLowerCase());=0A= });=0A= },=0A= =0A= focusFirstElement: function(form) {=0A= form =3D $(form);=0A= form.findFirstElement().activate();=0A= return form;=0A= }=0A= }=0A= =0A= Object.extend(Form, Form.Methods);=0A= =0A= /*-----------------------------------------------------------------------= ---*/=0A= =0A= Form.Element =3D {=0A= focus: function(element) {=0A= $(element).focus();=0A= return element;=0A= },=0A= =0A= select: function(element) {=0A= $(element).select();=0A= return element;=0A= }=0A= }=0A= =0A= Form.Element.Methods =3D {=0A= serialize: function(element) {=0A= element =3D $(element);=0A= if (element.disabled) return '';=0A= var method =3D element.tagName.toLowerCase();=0A= var parameter =3D Form.Element.Serializers[method](element);=0A= =0A= if (parameter) {=0A= var key =3D encodeURIComponent(parameter[0]);=0A= if (key.length =3D=3D 0) return;=0A= =0A= if (parameter[1].constructor !=3D Array)=0A= parameter[1] =3D [parameter[1]];=0A= =0A= return parameter[1].map(function(value) {=0A= return key + '=3D' + encodeURIComponent(value);=0A= }).join('&');=0A= }=0A= },=0A= =0A= getValue: function(element) {=0A= element =3D $(element);=0A= var method =3D element.tagName.toLowerCase();=0A= var parameter =3D Form.Element.Serializers[method](element);=0A= =0A= if (parameter)=0A= return parameter[1];=0A= },=0A= =0A= clear: function(element) {=0A= $(element).value =3D '';=0A= return element;=0A= },=0A= =0A= present: function(element) {=0A= return $(element).value !=3D '';=0A= },=0A= =0A= activate: function(element) {=0A= element =3D $(element);=0A= element.focus();=0A= if (element.select && ( element.tagName.toLowerCase() !=3D 'input' ||=0A= !['button', 'reset', 'submit'].include(element.type) ) )=0A= element.select();=0A= return element;=0A= },=0A= =0A= disable: function(element) {=0A= element =3D $(element);=0A= element.disabled =3D true;=0A= return element;=0A= },=0A= =0A= enable: function(element) {=0A= element =3D $(element);=0A= element.blur();=0A= element.disabled =3D false;=0A= return element;=0A= }=0A= }=0A= =0A= Object.extend(Form.Element, Form.Element.Methods);=0A= var Field =3D Form.Element;=0A= =0A= /*-----------------------------------------------------------------------= ---*/=0A= =0A= Form.Element.Serializers =3D {=0A= input: function(element) {=0A= switch (element.type.toLowerCase()) {=0A= case 'checkbox':=0A= case 'radio':=0A= return Form.Element.Serializers.inputSelector(element);=0A= default:=0A= return Form.Element.Serializers.textarea(element);=0A= }=0A= return false;=0A= },=0A= =0A= inputSelector: function(element) {=0A= if (element.checked)=0A= return [element.name, element.value];=0A= },=0A= =0A= textarea: function(element) {=0A= return [element.name, element.value];=0A= },=0A= =0A= select: function(element) {=0A= return Form.Element.Serializers[element.type =3D=3D 'select-one' ?=0A= 'selectOne' : 'selectMany'](element);=0A= },=0A= =0A= selectOne: function(element) {=0A= var value =3D '', opt, index =3D element.selectedIndex;=0A= if (index >=3D 0) {=0A= opt =3D Element.extend(element.options[index]);=0A= // Uses the new potential extension if hasAttribute isn't native.=0A= value =3D opt.hasAttribute('value') ? opt.value : opt.text;=0A= }=0A= return [element.name, value];=0A= },=0A= =0A= selectMany: function(element) {=0A= var value =3D [];=0A= for (var i =3D 0, length =3D element.length; i < length; i++) {=0A= var opt =3D Element.extend(element.options[i]);=0A= if (opt.selected)=0A= // Uses the new potential extension if hasAttribute isn't native.=0A= value.push(opt.hasAttribute('value') ? opt.value : opt.text);=0A= }=0A= return [element.name, value];=0A= }=0A= }=0A= =0A= /*-----------------------------------------------------------------------= ---*/=0A= =0A= var $F =3D Form.Element.getValue;=0A= =0A= /*-----------------------------------------------------------------------= ---*/=0A= =0A= Abstract.TimedObserver =3D function() {}=0A= Abstract.TimedObserver.prototype =3D {=0A= initialize: function(element, frequency, callback) {=0A= this.frequency =3D frequency;=0A= this.element =3D $(element);=0A= this.callback =3D callback;=0A= =0A= this.lastValue =3D this.getValue();=0A= this.registerCallback();=0A= },=0A= =0A= registerCallback: function() {=0A= setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);=0A= },=0A= =0A= onTimerEvent: function() {=0A= var value =3D this.getValue();=0A= if (this.lastValue !=3D value) {=0A= this.callback(this.element, value);=0A= this.lastValue =3D value;=0A= }=0A= }=0A= }=0A= =0A= Form.Element.Observer =3D Class.create();=0A= Form.Element.Observer.prototype =3D Object.extend(new = Abstract.TimedObserver(), {=0A= getValue: function() {=0A= return Form.Element.getValue(this.element);=0A= }=0A= });=0A= =0A= Form.Observer =3D Class.create();=0A= Form.Observer.prototype =3D Object.extend(new Abstract.TimedObserver(), {=0A= getValue: function() {=0A= return Form.serialize(this.element);=0A= }=0A= });=0A= =0A= /*-----------------------------------------------------------------------= ---*/=0A= =0A= Abstract.EventObserver =3D function() {}=0A= Abstract.EventObserver.prototype =3D {=0A= initialize: function(element, callback) {=0A= this.element =3D $(element);=0A= this.callback =3D callback;=0A= =0A= this.lastValue =3D this.getValue();=0A= if (this.element.tagName.toLowerCase() =3D=3D 'form')=0A= this.registerFormCallbacks();=0A= else=0A= this.registerCallback(this.element);=0A= },=0A= =0A= onElementEvent: function() {=0A= var value =3D this.getValue();=0A= if (this.lastValue !=3D value) {=0A= this.callback(this.element, value);=0A= this.lastValue =3D value;=0A= }=0A= },=0A= =0A= registerFormCallbacks: function() {=0A= = Form.getElements(this.element).each(this.registerCallback.bind(this));=0A= },=0A= =0A= registerCallback: function(element) {=0A= if (element.type) {=0A= switch (element.type.toLowerCase()) {=0A= case 'checkbox':=0A= case 'radio':=0A= Event.observe(element, 'click', = this.onElementEvent.bind(this));=0A= break;=0A= default:=0A= Event.observe(element, 'change', = this.onElementEvent.bind(this));=0A= break;=0A= }=0A= }=0A= }=0A= }=0A= =0A= Form.Element.EventObserver =3D Class.create();=0A= Form.Element.EventObserver.prototype =3D Object.extend(new = Abstract.EventObserver(), {=0A= getValue: function() {=0A= return Form.Element.getValue(this.element);=0A= }=0A= });=0A= =0A= Form.EventObserver =3D Class.create();=0A= Form.EventObserver.prototype =3D Object.extend(new = Abstract.EventObserver(), {=0A= getValue: function() {=0A= return Form.serialize(this.element);=0A= }=0A= });=0A= if (!window.Event) {=0A= var Event =3D new Object();=0A= }=0A= =0A= Object.extend(Event, {=0A= KEY_BACKSPACE: 8,=0A= KEY_TAB: 9,=0A= KEY_RETURN: 13,=0A= KEY_ESC: 27,=0A= KEY_LEFT: 37,=0A= KEY_UP: 38,=0A= KEY_RIGHT: 39,=0A= KEY_DOWN: 40,=0A= KEY_DELETE: 46,=0A= KEY_HOME: 36,=0A= KEY_END: 35,=0A= KEY_PAGEUP: 33,=0A= KEY_PAGEDOWN: 34,=0A= =0A= element: function(event) {=0A= return event.target || event.srcElement;=0A= },=0A= =0A= isLeftClick: function(event) {=0A= return (((event.which) && (event.which =3D=3D 1)) ||=0A= ((event.button) && (event.button =3D=3D 1)));=0A= },=0A= =0A= pointerX: function(event) {=0A= return event.pageX || (event.clientX +=0A= (document.documentElement.scrollLeft || document.body.scrollLeft));=0A= },=0A= =0A= pointerY: function(event) {=0A= return event.pageY || (event.clientY +=0A= (document.documentElement.scrollTop || document.body.scrollTop));=0A= },=0A= =0A= stop: function(event) {=0A= if (event.preventDefault) {=0A= event.preventDefault();=0A= event.stopPropagation();=0A= } else {=0A= event.returnValue =3D false;=0A= event.cancelBubble =3D true;=0A= }=0A= },=0A= =0A= // find the first node with the given tagName, starting from the=0A= // node the event was triggered on; traverses the DOM upwards=0A= findElement: function(event, tagName) {=0A= var element =3D Event.element(event);=0A= while (element.parentNode && (!element.tagName ||=0A= (element.tagName.toUpperCase() !=3D tagName.toUpperCase())))=0A= element =3D element.parentNode;=0A= return element;=0A= },=0A= =0A= observers: false,=0A= =0A= _observeAndCache: function(element, name, observer, useCapture) {=0A= if (!this.observers) this.observers =3D [];=0A= if (element.addEventListener) {=0A= this.observers.push([element, name, observer, useCapture]);=0A= element.addEventListener(name, observer, useCapture);=0A= } else if (element.attachEvent) {=0A= this.observers.push([element, name, observer, useCapture]);=0A= element.attachEvent('on' + name, observer);=0A= }=0A= },=0A= =0A= unloadCache: function() {=0A= if (!Event.observers) return;=0A= for (var i =3D 0, length =3D Event.observers.length; i < length; = i++) {=0A= Event.stopObserving.apply(this, Event.observers[i]);=0A= Event.observers[i][0] =3D null;=0A= }=0A= Event.observers =3D false;=0A= },=0A= =0A= observe: function(element, name, observer, useCapture) {=0A= element =3D $(element);=0A= useCapture =3D useCapture || false;=0A= =0A= if (name =3D=3D 'keypress' &&=0A= (navigator.appVersion.match(/Konqueror|Safari|KHTML/)=0A= || element.attachEvent))=0A= name =3D 'keydown';=0A= =0A= Event._observeAndCache(element, name, observer, useCapture);=0A= },=0A= =0A= stopObserving: function(element, name, observer, useCapture) {=0A= element =3D $(element);=0A= useCapture =3D useCapture || false;=0A= =0A= if (name =3D=3D 'keypress' &&=0A= (navigator.appVersion.match(/Konqueror|Safari|KHTML/)=0A= || element.detachEvent))=0A= name =3D 'keydown';=0A= =0A= if (element.removeEventListener) {=0A= element.removeEventListener(name, observer, useCapture);=0A= } else if (element.detachEvent) {=0A= try {=0A= element.detachEvent('on' + name, observer);=0A= } catch (e) {}=0A= }=0A= }=0A= });=0A= =0A= /* prevent memory leaks in IE */=0A= if (navigator.appVersion.match(/\bMSIE\b/))=0A= Event.observe(window, 'unload', Event.unloadCache, false);=0A= var Position =3D {=0A= // set to true if needed, warning: firefox performance problems=0A= // NOT neeeded for page scrolling, only if draggable contained in=0A= // scrollable elements=0A= includeScrollOffsets: false,=0A= =0A= // must be called before calling withinIncludingScrolloffset, every = time the=0A= // page is scrolled=0A= prepare: function() {=0A= this.deltaX =3D window.pageXOffset=0A= || document.documentElement.scrollLeft=0A= || document.body.scrollLeft=0A= || 0;=0A= this.deltaY =3D window.pageYOffset=0A= || document.documentElement.scrollTop=0A= || document.body.scrollTop=0A= || 0;=0A= },=0A= =0A= realOffset: function(element) {=0A= var valueT =3D 0, valueL =3D 0;=0A= do {=0A= valueT +=3D element.scrollTop || 0;=0A= valueL +=3D element.scrollLeft || 0;=0A= element =3D element.parentNode;=0A= } while (element);=0A= return [valueL, valueT];=0A= },=0A= =0A= cumulativeOffset: function(element) {=0A= var valueT =3D 0, valueL =3D 0;=0A= do {=0A= valueT +=3D element.offsetTop || 0;=0A= valueL +=3D element.offsetLeft || 0;=0A= element =3D element.offsetParent;=0A= } while (element);=0A= return [valueL, valueT];=0A= },=0A= =0A= positionedOffset: function(element) {=0A= var valueT =3D 0, valueL =3D 0;=0A= do {=0A= valueT +=3D element.offsetTop || 0;=0A= valueL +=3D element.offsetLeft || 0;=0A= element =3D element.offsetParent;=0A= if (element) {=0A= if(element.tagName=3D=3D'BODY') break;=0A= var p =3D Element.getStyle(element, 'position');=0A= if (p =3D=3D 'relative' || p =3D=3D 'absolute') break;=0A= }=0A= } while (element);=0A= return [valueL, valueT];=0A= },=0A= =0A= offsetParent: function(element) {=0A= if (element.offsetParent) return element.offsetParent;=0A= if (element =3D=3D document.body) return element;=0A= =0A= while ((element =3D element.parentNode) && element !=3D = document.body)=0A= if (Element.getStyle(element, 'position') !=3D 'static')=0A= return element;=0A= =0A= return document.body;=0A= },=0A= =0A= // caches x/y coordinate pair to use with overlap=0A= within: function(element, x, y) {=0A= if (this.includeScrollOffsets)=0A= return this.withinIncludingScrolloffsets(element, x, y);=0A= this.xcomp =3D x;=0A= this.ycomp =3D y;=0A= this.offset =3D this.cumulativeOffset(element);=0A= =0A= return (y >=3D this.offset[1] &&=0A= y < this.offset[1] + element.offsetHeight &&=0A= x >=3D this.offset[0] &&=0A= x < this.offset[0] + element.offsetWidth);=0A= },=0A= =0A= withinIncludingScrolloffsets: function(element, x, y) {=0A= var offsetcache =3D this.realOffset(element);=0A= =0A= this.xcomp =3D x + offsetcache[0] - this.deltaX;=0A= this.ycomp =3D y + offsetcache[1] - this.deltaY;=0A= this.offset =3D this.cumulativeOffset(element);=0A= =0A= return (this.ycomp >=3D this.offset[1] &&=0A= this.ycomp < this.offset[1] + element.offsetHeight &&=0A= this.xcomp >=3D this.offset[0] &&=0A= this.xcomp < this.offset[0] + element.offsetWidth);=0A= },=0A= =0A= // within must be called directly before=0A= overlap: function(mode, element) {=0A= if (!mode) return 0;=0A= if (mode =3D=3D 'vertical')=0A= return ((this.offset[1] + element.offsetHeight) - this.ycomp) /=0A= element.offsetHeight;=0A= if (mode =3D=3D 'horizontal')=0A= return ((this.offset[0] + element.offsetWidth) - this.xcomp) /=0A= element.offsetWidth;=0A= },=0A= =0A= page: function(forElement) {=0A= var valueT =3D 0, valueL =3D 0;=0A= =0A= var element =3D forElement;=0A= do {=0A= valueT +=3D element.offsetTop || 0;=0A= valueL +=3D element.offsetLeft || 0;=0A= =0A= // Safari fix=0A= if (element.offsetParent=3D=3Ddocument.body)=0A= if (Element.getStyle(element,'position')=3D=3D'absolute') break;=0A= =0A= } while (element =3D element.offsetParent);=0A= =0A= element =3D forElement;=0A= do {=0A= if (!window.opera || element.tagName=3D=3D'BODY') {=0A= valueT -=3D element.scrollTop || 0;=0A= valueL -=3D element.scrollLeft || 0;=0A= }=0A= } while (element =3D element.parentNode);=0A= =0A= return [valueL, valueT];=0A= },=0A= =0A= clone: function(source, target) {=0A= var options =3D Object.extend({=0A= setLeft: true,=0A= setTop: true,=0A= setWidth: true,=0A= setHeight: true,=0A= offsetTop: 0,=0A= offsetLeft: 0=0A= }, arguments[2] || {})=0A= =0A= // find page position of source=0A= source =3D $(source);=0A= var p =3D Position.page(source);=0A= =0A= // find coordinate system to use=0A= target =3D $(target);=0A= var delta =3D [0, 0];=0A= var parent =3D null;=0A= // delta [0,0] will do fine with position: fixed elements,=0A= // position:absolute needs offsetParent deltas=0A= if (Element.getStyle(target,'position') =3D=3D 'absolute') {=0A= parent =3D Position.offsetParent(target);=0A= delta =3D Position.page(parent);=0A= }=0A= =0A= // correct by body offsets (fixes Safari)=0A= if (parent =3D=3D document.body) {=0A= delta[0] -=3D document.body.offsetLeft;=0A= delta[1] -=3D document.body.offsetTop;=0A= }=0A= =0A= // set position=0A= if(options.setLeft) target.style.left =3D (p[0] - delta[0] + = options.offsetLeft) + 'px';=0A= if(options.setTop) target.style.top =3D (p[1] - delta[1] + = options.offsetTop) + 'px';=0A= if(options.setWidth) target.style.width =3D source.offsetWidth + = 'px';=0A= if(options.setHeight) target.style.height =3D source.offsetHeight + = 'px';=0A= },=0A= =0A= absolutize: function(element) {=0A= element =3D $(element);=0A= if (element.style.position =3D=3D 'absolute') return;=0A= Position.prepare();=0A= =0A= var offsets =3D Position.positionedOffset(element);=0A= var top =3D offsets[1];=0A= var left =3D offsets[0];=0A= var width =3D element.clientWidth;=0A= var height =3D element.clientHeight;=0A= =0A= element._originalLeft =3D left - parseFloat(element.style.left || = 0);=0A= element._originalTop =3D top - parseFloat(element.style.top || = 0);=0A= element._originalWidth =3D element.style.width;=0A= element._originalHeight =3D element.style.height;=0A= =0A= element.style.position =3D 'absolute';=0A= element.style.top =3D top + 'px';;=0A= element.style.left =3D left + 'px';;=0A= element.style.width =3D width + 'px';;=0A= element.style.height =3D height + 'px';;=0A= },=0A= =0A= relativize: function(element) {=0A= element =3D $(element);=0A= if (element.style.position =3D=3D 'relative') return;=0A= Position.prepare();=0A= =0A= element.style.position =3D 'relative';=0A= var top =3D parseFloat(element.style.top || 0) - = (element._originalTop || 0);=0A= var left =3D parseFloat(element.style.left || 0) - = (element._originalLeft || 0);=0A= =0A= element.style.top =3D top + 'px';=0A= element.style.left =3D left + 'px';=0A= element.style.height =3D element._originalHeight;=0A= element.style.width =3D element._originalWidth;=0A= }=0A= }=0A= =0A= // Safari returns margins on body which is incorrect if the child is = absolutely=0A= // positioned. For performance reasons, redefine = Position.cumulativeOffset for=0A= // KHTML/WebKit only.=0A= if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {=0A= Position.cumulativeOffset =3D function(element) {=0A= var valueT =3D 0, valueL =3D 0;=0A= do {=0A= valueT +=3D element.offsetTop || 0;=0A= valueL +=3D element.offsetLeft || 0;=0A= if (element.offsetParent =3D=3D document.body)=0A= if (Element.getStyle(element, 'position') =3D=3D 'absolute') = break;=0A= =0A= element =3D element.offsetParent;=0A= } while (element);=0A= =0A= return [valueL, valueT];=0A= }=0A= }=0A= =0A= Element.addMethods(); ------=_NextPart_000_0000_01C93AD9.8621DC10 Content-Type: application/octet-stream Content-Transfer-Encoding: quoted-printable Content-Location: http://www.bmj.com/js/utils.js =0A= Object.extend(Event, {=0A= _domReady : function() {=0A= if (arguments.callee.done) return;=0A= arguments.callee.done =3D true;=0A= if (this._timer) clearInterval(this._timer);=0A= this._readyCallbacks.each(function(f) { f() });=0A= this._readyCallbacks =3D null;=0A= },=0A= =0A= onDOMReady : function(f) {=0A= if (!this._readyCallbacks) {=0A= var domReady =3D this._domReady.bind(this);=0A= =0A= if (document.addEventListener) = document.addEventListener("DOMContentLoaded", domReady, false);=0A= =0A= /*@cc_on @*/=0A= /*@if (@_win32)=0A= document.write("

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NICE guidance on ADHD