// JavaScript Document
function init(){
 if(!document.getElementById || !document.getElementsByTagName){retun;}
 var arrayDiv=document.getElementById("catalogue_list");
 if(!arrayDiv){return;}
 var divObj=arrayDiv.getElementsByTagName("div");
 var length=divObj.length;
 var agreeDiv=new Array();
 for(var i=0;i<length;i++){
  if(divObj[i].className.indexOf("unit")>=0){
   agreeDiv.push(divObj[i]);
   divObj[i].onclick=function(event){
    showCurrentMenu(agreeDiv,this,event);
   }
  }
 }
}
function showCurrentMenu(agreeDiv,currentObj,event){
 if(!event){event=window.event;}
 var eventObj=event.srcElement?event.srcElement:event.target;
 //先隐藏所有ul
 var length=agreeDiv.length;
 for(var i=0;i<length;i++){
  if(eventObj.parentNode==agreeDiv[i] || eventObj.nodeName!="H3"){continue;}
  agreeDiv[i].className="unit";
 }
 if(eventObj.nodeName=="H3"){
  if(eventObj.parentNode.className=="unit"){
   eventObj.parentNode.className="unit current"
  }else{
   eventObj.parentNode.className="unit"
  }
 }
}
init();