function loaded(pageEvent)
{
 if(pageEvent=='main-center_body')
 {
  if(screen.heigth==1200) document.getElementById('page').style.marginTop="14%";
  else if(screen.height==1024) document.getElementById('page').style.marginTop="8%";
 }

 document.getElementById('load').style.visibility="hidden";
 document.getElementById('page').style.visibility="visible";
}