var DHTML = (document.getElementById || document.all || document.layers);//loding pic 
function ap_getObj(name)
 { 
 if (document.getElementById)
  { return document.getElementById(name).style; }
   else if (document.all)
    { return document.all[name].style; }
	 else if (document.layers)
	  { return document.layers[name]; }
 } 
function ap_showWaitMessage(div,flag)
 {
  if (!DHTML) return;
  var x = ap_getObj(div);
  x.visibility = (flag) ? 'visible':'hidden' ;
  if(! document.getElementById) 
  if(document.layers) x.left=280/2;
   return true;
  }