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(emid);

obj.className = (obj.className.toLowerCase() == "expanded"?"collapsed":"expanded");

if((LastLeftID!="")&&(emid!=LastLeftID)) //关闭上一个Menu

{

   document.getElementById(LastLeftID).className = "collapsed";

}

LastLeftID = emid;

}

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，菜单只需用到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(); //*这两个function的顺序要注意一下，不然在Firefox里GetMenuID()不起效果

menuFix();