/**
 * mm_menu 20MAR2002 Version 6.0
 * Andy Finnell, March 2002
 * Copyright (c) 2000-2002 Macromedia, Inc.
 *
 * based on menu.js
 * by gary smith, July 1997
 * Copyright (c) 1997-1999 Netscape Communications Corp.
 *
 * Netscape grants you a royalty free license to use or modify this
 * software provided that this copyright notice appears on all copies.
 * This software is provided "AS IS," without a warranty of any kind.
 */
 
 
/*鼠标移到弹出菜单*/
function displaySubMenu(li) {
	var subMenu = li.getElementsByTagName("ul")[0];
		subMenu.style.display = "block";
        }
function hideSubMenu(li) {
	var subMenu = li.getElementsByTagName("ul")[0];
		subMenu.style.display = "none";
        }

/*点击向下弹出菜单*/
var LastLeftID = "";
function menuFix() {
        var obj = document.getElementById("pageleftnav").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 display(id){
      var traget=document.getElementById(id);
       if(traget.style.display=="none"){
                traget.style.display="";
       }else{
               traget.style.display="none";
    }
   }