var PopUp = null;
  //sniff browser using DOM's
  var ie4 = (document.all && !document.getElementById) ? true : false;
  var ns4 = (document.layers) ? true : false;
  var ie5 = (document.all && document.getElementById) ? true : false;
  var ns6 = (document.getElementById && !document.all) ? true : false;
  
  
  function openWindow(url, title, width, height)
  {
  if (ie4||ie5)
  	  {
         PopUp = window.open(url, title, 'width='+width+', height='+height);
         PopUp.window.focus();
    	}
  else
      {
         PopUp = window.open(url, title, 'menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,width='+width+',height='+height);
         PopUp.window.focus();
    	}
  
  }