dt_data/ECDeveloper/Template/Code/WebSite/UC/LeftUc.ascx

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="LeftUc.ascx.cs" Inherits="UC_LeftUc" %>
<div class="LeftBar" id="LeftBar">
    <asp:Literal ID="ltLeftMenu" runat="server"></asp:Literal>
</div> 

<script language="JavaScript1.2">
<!--
var clkedId = "";
var chgedId = "";
var openId = "";
var openIndex = "";
//获取本菜单中的第一级菜单控件
function getLeftBarItem(itemid)
{
    var item;
    var leftBar = document.getElementById("LeftBar"); 
    for(i=0;i<leftBar.childNodes.length;i++)
    { 
        if(leftBar.childNodes[i].id == itemid)
        {
            item = leftBar.childNodes[i];
            break;
        }
    }
    return item;
}

function change()
{   
    var curEleId = event.srcElement.id;
    var clickObj = getLeftBarItem(event.srcElement.id);
	if (clickObj != null && (clickObj.className=="Header" || clickObj.className=="HeaderOver" 
	|| clickObj.className=="HeaderExpand" || clickObj.className=="HeaderCoop")) 
	{
		var srcIndex = event.srcElement.sourceIndex;
		var nested = document.all[srcIndex+2]; 
		if (nested.style.display=="none") 
		{
			if (openId!="")
			{ 
				openId.style.display = "none";
				imgId = document.all[openIndex+1];
				if( imgId != null)
				    imgId.className="HeaderExpand";
			}
			nested.style.display='';
			openId = nested;
			openIndex = srcIndex;
			var nested = document.all[srcIndex+1];
			if( nested != null)
			    nested.className="HeaderCoop";
		}
		else 
		{
			nested.style.display="none";
			openId = "";
			openIndex = ""; 
			var nested = document.all[srcIndex+1];
			if( nested != null)
				nested.className="HeaderExpand";
		}
		return;		
	}
	 
	if (curEleId == "submenu")
	{ 
			var srcIndex = event.srcElement.sourceIndex
			var i=1;
			var nested;
			while(i<document.all.length)
			{
				nested = document.all[srcIndex-i];
				if (nested.className == "Header" || nested.className == "HeaderOver")
					break;
				else
					i++;
			}
			startPos = nested.innerHTML.indexOf(">") + 7;
			endPos = nested.innerHTML.length; 
			clkedId.className = "";
			clkedId = document.all[srcIndex];
			clkedId.className = "clkBg";
			clkedId.blur(); 
			document.location =clkedId.href
			return;
	}	
	if (event.srcElement.className=="Title")
	{
		if (openId!="")
		{
			openId.style.display = "none";
			openId = "";
		}
		return;
	}
}
function changeBG()
{  
	if (chgedId!="")
	{  
	    var oldchge = getLeftBarItem(chgedId);
	    if( oldchge.className =="HeaderOver")
	        oldchge.className="Header";
		chgedId = ""
	}
	if( event.srcElement.id != null && event.srcElement.id != "")
	{
    	var chobj = getLeftBarItem(event.srcElement.id);
    	if(chobj != null &&  chobj.className=="Header")
    	{
    	    chobj.className = "HeaderOver";
	       	chgedId = event.srcElement.id;
	    }
	}
}
function hiddenFolderlist()
{ 
	var nested;	
	var leftBar = document.getElementById("LeftBar");  
	for(i=0;i<leftBar.childNodes.length;i++)
	{
		nested = leftBar.childNodes[i]; 
		if (nested.className == "List") 
			nested.style.display="none";
	}
}
function expandmenu()
{
    var bclik = false;
    var nested;	
	var leftBar = document.getElementById("LeftBar");  
	for(i=0;i<leftBar.childNodes.length;i++)
	{ 
		nested = leftBar.childNodes[i];
		var ulIndex = document.all[nested.sourceIndex+2]; 
		if( ulIndex != null && ulIndex.className=="List")
		{ 
		    for(j=0;j<ulIndex.childNodes.length;j++)
		    {
		        var lia = ulIndex.childNodes[j].childNodes[0]; 
		        if( lia.href == document.location)
		        {
		            ulIndex.style.display="";
		            openId = ulIndex;
		            openIndex = nested.sourceIndex;
		            if( nested.childNodes.length>0)
		            {
		                var img = nested.childNodes[0];
		                if( img.className=="HeaderExpand" || img.className=="HeaderCoop")
		                {
		                    img.className="HeaderCoop";
		                }
		            }
		            clkedId = lia;
		            clkedId.className = "clkBg";
		            bclik = true;
		            break;
		        }
		    }
		}
		
		if( bclik == true)
		    break;
	}
}
document.getElementById("LeftBar").onclick=change;
document.getElementById("LeftBar").onmouseover = changeBG;
hiddenFolderlist();
expandmenu();
//-->
</script>