data.chinahighlights.com/js/flex.js

//mychinatours左侧伸缩菜单代码
var LastLeftID = "";
function menuFix() {
        var obj = document.getElementById("cityMenu").getElementsByTagName("li");       
        for (var i=0; i<obj.length; i++) {
               obj[i].onmouseover=function() {
                      this.className+=(this.className.length>0? " ": "");
               }
               obj[i].onMouseDown=function() {
                      this.className+=(this.className.length>0? " ": "");
               }
               obj[i].onMouseUp=function() {
                      this.className+=(this.className.length>0? " ": "");
               }
               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();