function Popular(target){typeof target=="object"?this.element=target:this.element=document.getElementById(target);if(!this.element)return false;this.ul=this.element.getElementsByTagName("ul")[0];this.tabs=this.ul.getElementsByTagName("li");this.tabContent=this.getTabContent();this.bind();}
Popular.prototype.getTabContent=function(){tabContent=new Array();this.divs=this.element.getElementsByTagName("div");for(var i=0;i<this.divs.length;i++){if(/tabContent/i.test(this.divs[i].className)){tabContent.push(this.divs[i]);}}
return tabContent;}
Popular.prototype.bind=function(){var o=this;for(var i=0;i<this.tabs.length;i++){this.tabs[i].onclick=function(){if(this.className!='selected'){o.open(this);return false;var a=this.getElementsByTagName("a")[0];if(a)a.onclick=function(){return false;}}}}}
Popular.prototype.open=function(caller){for(var i=0;i<this.tabs.length;i++){var tab=this.tabs[i];if(tab==caller){this.collapse();tab.className="selected"
this.tabContent[i].style.display="block";}}}
Popular.prototype.collapse=function(){for(var i=0;i<this.tabs.length;i++){this.tabs[i].className="";this.tabContent[i].style.display="none";}}