//以下是樹形菜單的實現部分
var LastLeftID = "";
function menuFix() 
{
	var obj = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<obj.length; i++) 
	{
		obj[i].onmouseover=function()
		     {
    			this.className+=(this.className.length>0? " ": "") + "sfhover";
			 };
		obj[i].onMouseDown=function() 
			{
				this.className+=(this.className.length>0? " ": "") + "sfhover";
			};
		obj[i].onMouseUp=function() 
			{
				this.className+=(this.className.length>0? " ": "") + "sfhover";
			};
		obj[i].onmouseout=function() 
			{
				this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
			};
	}
}

function DoMenu(emid)
{
	var obj = document.getElementById('ul_div_'+emid); 
	obj.className = (obj.className.toLowerCase() == "expanded")?"collapsed":"expanded";
	obj.style.display = (obj.style.display.toLowerCase()=="block")?"none":"block";
	if(LastLeftID!="" &&LastLeftID != emid) //關閉上一個Menu
	{
		document.getElementById("ul_div_"+LastLeftID).className='collapsed';
		document.getElementById("ul_div_"+LastLeftID).style.display='none';
	}
	   LastLeftID = emid
	   var url = "include/"+emid+".jsp";
	   sendRequest(url,'ul_div_'+emid); //異步請求
}

function GetMenuID()
{
	var MenuID="";
	var _paramStr = new String(window.location.href);
	var _sharpPos = _paramStr.indexOf("#");
	if (_sharpPos >= 0 && _sharpPos < _paramStr.length - 1)
	{
		_paramStr = _paramStr.substring(_sharpPos + 1, _paramStr.length);
	}
	else
	{
		_paramStr = "";
	}
	if (_paramStr.length > 0)
	{
		var _paramArr = _paramStr.split("&");
		if (_paramArr.length>0)
		{
			var _paramKeyVal = _paramArr[0].split("=");
			if (_paramKeyVal.length>0)
			{
				MenuID = _paramKeyVal[1];
			}
		}
	/*
	if (_paramArr.length>0)
	{
		var _arr = new Array(_paramArr.length);
	}
	//取所有#后面的，菜單只需用到Menu
	//for (var i = 0; i < _paramArr.length; i++)
	{
		var _paramKeyVal = _paramArr[i].split('=');
		if (_paramKeyVal.length>0)
		{
			_arr[_paramKeyVal[0]] = _paramKeyVal[1];
		} 
	}
	*/
	}
	/*if(MenuID!="")
	{
		DoMenu(MenuID)
	}*/
}

//GetMenuID(); //*這兩個function的順序要注意一下，不然在Firefox里GetMenuID()不起效果
//menuFix();
//以上是是實現樹形菜單部分