if(typeof(Prototype)=="undefined")
throw"Control.Tabs requires Prototype to be loaded.";if(typeof(Object.Event)=="undefined")
throw"Control.Tabs requires Object.Event to be loaded.";Control.Tabs=Class.create({initialize:function(tab_list_container,options){if(!$(tab_list_container))
throw"Control.Tabs could not find the element: "+tab_list_container;this.activeContainer=false;this.activeLink=false;this.containers=$H({});this.links=[];Control.Tabs.instances.push(this);this.options={beforeChange:Prototype.emptyFunction,afterChange:Prototype.emptyFunction,hover:false,linkSelector:'li a',setClassOnContainer:false,activeClassName:'active',defaultTab:'first',autoLinkExternal:true,targetRegExp:/#(.+)$/,showFunction:Element.show,hideFunction:Element.hide};Object.extend(this.options,options||{});var el=$(tab_list_container).select(this.options.linkSelector);(typeof(this.options.linkSelector=='string')?$(tab_list_container).select(this.options.linkSelector):this.options.linkSelector($(tab_list_container))).findAll(function(link){var winhref=unescape(window.location.href.split('#')[0]);var lnkhref=unescape(link.href);var rplhref=lnkhref.replace(winhref,'');return(/^#/).exec(rplhref);}).each(function(link){this.addTab(link);}.bind(this));this.containers.values().each(Element.hide);if(this.options.defaultTab=='first')
this.setActiveTab(this.links.first());else if(this.options.defaultTab=='last')
this.setActiveTab(this.links.last());else
this.setActiveTab(this.options.defaultTab);var targets=this.options.targetRegExp.exec(window.location);if(targets&&targets[1]){targets[1].split(',').each(function(target){this.setActiveTab(this.links.find(function(link){return link.key==target;}));}.bind(this));}
if(this.options.autoLinkExternal){$A(document.getElementsByTagName('a')).each(function(a){if(!this.links.include(a)){var clean_href=a.href.replace(window.location.href.split('#')[0],'');if(clean_href.substring(0,1)=='#'){if(this.containers.keys().include(clean_href.substring(1))){$(a).observe('click',function(event,clean_href){this.setActiveTab(clean_href.substring(1));}.bindAsEventListener(this,clean_href));}}}}.bind(this));}},addTab:function(link){this.links.push(link);link.key=link.getAttribute('href').replace(window.location.href.split('#')[0],'').split('/').last().replace(/#/,'');var container=$(link.key);if(!container)
throw"Control.Tabs: #"+link.key+" was not found on the page."
this.containers.set(link.key,container);link[this.options.hover?'onmouseover':'onclick']=function(link){if(window.event)
Event.stop(window.event);this.setActiveTab(link);return false;}.bind(this,link);},setActiveTab:function(link){if(!link&&typeof(link)=='undefined')
return;if(typeof(link)=='string'){this.setActiveTab(this.links.find(function(_link){return _link.key==link;}));}else if(typeof(link)=='number'){this.setActiveTab(this.links[link]);}else{if(this.notify('beforeChange',this.activeContainer,this.containers.get(link.key))===false)
return;if(this.activeContainer)
this.options.hideFunction(this.activeContainer);link.blur();this.links.each(function(item){(this.options.setClassOnContainer?$(item.parentNode):item).removeClassName(this.options.activeClassName);}.bind(this));(this.options.setClassOnContainer?$(link.parentNode):link).addClassName(this.options.activeClassName);this.activeContainer=this.containers.get(link.key);this.activeLink=link;this.options.showFunction(this.containers.get(link.key));this.notify('afterChange',this.containers.get(link.key));}},next:function(){this.links.each(function(link,i){if(this.activeLink==link&&this.links[i+1]){this.setActiveTab(this.links[i+1]);throw $break;}}.bind(this));},previous:function(){this.links.each(function(link,i){if(this.activeLink==link&&this.links[i-1]){this.setActiveTab(this.links[i-1]);throw $break;}}.bind(this));},first:function(){this.setActiveTab(this.links.first());},last:function(){this.setActiveTab(this.links.last());}});Object.extend(Control.Tabs,{instances:[],findByTabId:function(id){return Control.Tabs.instances.find(function(tab){return tab.links.find(function(link){return link.key==id;});});}});Object.Event.extend(Control.Tabs);function hideTab(idToHide,idToShow,tabToHide,tabToShow){var idToHide=document.getElementById(idToHide);var idToShow=document.getElementById(idToShow);idToHide.style.display='none';idToShow.style.display='block';var tabToShow=document.getElementById(tabToShow);tabToShow.className='active';var tabToHide=document.getElementById(tabToHide);tabToHide.className='';}
function addLoadEvent(func){var oldonload=window.onload;if(typeof window.onload!='function'){window.onload=func;}else{window.onload=function(){if(oldonload){oldonload();}
func();}}}