// JavaScript Document

//折叠菜单

  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(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();