window.onload=function (){
var liedu=document.getElementById("edu");
var inul=document.getElementById("inUl");
var As=document.getElementById("inUl").getElementsByTagName("a");
var healthDiv=document.getElementById("zhiyz");
var photoDiv=document.getElementById("photoDIV");
var vPage=document.getElementById("posrediv1");
var schoolpage=document.getElementById("news");
var largepage=document.getElementById("largePosre");
var guoxuepage=document.getElementById("guoXuePosre");

if(liedu!=null)
{
liedu.onmouseover=function(){
inul.style.visibility='visible';
inul.style.display='block';
this.className+=" edu";
if(healthDiv!=null)
{
healthDiv.style.position="relative";
healthDiv.style.zIndex=-1;
}
if(photoDiv!=null)
{
photoDiv.style.position="relative";
photoDiv.style.zIndex=-1;
}
if(vPage!=null)
{

posrediv1.style.position="relative";
posrediv1.style.zIndex=-1;
}
if(guoxuepage!=null)
{

guoxuepage.style.position="relative";
guoxuepage.style.zIndex=-1;
}

if(schoolpage!=null)
{

schoolpage.style.position="relative";
schoolpage.style.zIndex=-1;
}
if(largepage!=null)
{


largepage.style.position="relative";
largepage.style.zIndex=-1;
}
}
liedu.onmouseout=function(){
inul.style.visibility='hidden';
inul.style.display='none';
this.className=this.className.replace('edu','');
if(healthDiv!=null)
{
healthDiv.style.position="";
healthDiv.style.zIndex=1;
}
if(photoDiv!=null)
{
photoDiv.style.position="";
photoDiv.style.zIndex=1;
}
if(guoxuepage!=null)
{

guoxuepage.style.position="";
guoxuepage.style.zIndex=1;
}
if(vPage!=null)
{
posrediv1.style.position="";
posrediv1.style.zIndex=1;
}
if(schoolpage!=null)
{

schoolpage.style.position="";
schoolpage.style.zIndex=1;
}
if(largepage!=null)
{

largepage.style.position="";
largepage.style.zIndex=1;
}
}
inul.onmouseover=function(){
this.style.visibility='visible';
this.style.display='block';
}
inul.onmouseout=function(){
this.style.visibility='hidden';
this.style.display='none';
}
for(var i=0;i<As.length;i++){
As[i].onmouseover=function(){
this.className="back";
}
As[i].onmouseout=function(){
this.className="";
}
}
}
}