function waitPreloadPage() { //DOM
if (document.getElementById){
   document.getElementById('prepage').style.visibility='hidden';
   document.getElementById("prepage").style.display="none";
   }
   else{
      if (document.layers){
         document.prepage.visibility = 'hidden';
      }
      else { //IE4
            document.all.prepage.style.visibility = 'hidden';

           }
       }
}