function openfen(url, name, rs, w, h) {
 var tt = (window.screen.height-h)/2;
 var ll  = (window.screen.width-w)/2;
	
  var resize = "";
  if (rs) {
    resize = "resizable,";
  }
popupWin = window.open(url, name, 'menubar=no,scrollbars=no,toolbar=no,resizable=no,screenX=100,screenY=100,top='+tt+', left='+ll+'' + resize + 'width=' + w + ',height= '+ h);
}