// JavaScript Document 
function show(divName)
 {
   var divObject=document.getElementById(divName);
   divObject.style.display="block";
 }
 function hide(divName)
 {
   var divObject=document.getElementById(divName);
   divObject.style.display="none";
 }
 
 
 function chagePage(url)
{
  parent.Mainv.location.href=url;
}