//show menu 2j
function showMenu2 (op,t1,t2){
        var oUl=document.getElementById(op);
        var aLi=getByClass(oUl,t1);
        var aLi2=getByClass(oUl,t2);
         function inArray(a, num)
        {
	        var i=0;
        	
	        for(i=0;i<a.length;i++)
	        {
		        if(a[i]==num)
		        {
			        return true;
		        }
	        }
        	
	        return false;
        }
        function getByClass(oParent, sClass)
        {
	        var aEle=oParent.getElementsByTagName('*');
	        var result=[];
	        var arr=null;
        	
	        var i=0;
        	
	        for(i=0;i<aEle.length;i++)
	        {
		        arr=aEle[i].className.split(' ');
		        //if(aEle[i].className==sClass)
		        if(inArray(arr, sClass))
		        {
			        result.push(aEle[i]);
			        //result[i]=aEle[i];
		        }
	        }
        	
	        return result;
        }
        //function showMenu(oParent,T1,T2,){


            for(i=0;i<aLi.length;i++)
            {
             load(i);
             addevent(i);
            }

            function addevent(i){
               
      	             if (window.attachEvent){
                  	 
      	             aLi[i].attachEvent("onclick",function (){show(i);});
                                                                         
                      }
                      else{
                      aLi[i].addEventListener("click",function (){show(i);},false);
                      
                      }
                                
               }
        //初始化
            function load(a){
                         aLi2[a].style.display = "block";
            }
        //显示二级菜单
            function show(a){
         
                    if (aLi2[a].style.display == "none") {
                        aLi2[a].style.display = "block";
                    }
                    else {
                        aLi2[a].style.display = "none";
                    }
            }
           
}