var ld=(document.all);  
var ns4=document.layers; 
var ns6=document.getElementById&&!document.all; 
var ie4=document.all;
  
if (ns4) ld=document.loading; 
else 
  if (ns6) 	
  ld=document.getElementById("loading").style; 
  else 
    if (ie4) ld=document.all.loading.style;  

function initWaitLoading() 
{ 
  if(ns4){ld.visibility="hidden";} 
  else 
    if (ns6||ie4) ld.display="none"; 
}