function popitup(doc, w, h)
{
  	if (w == null) w = 640;
  	if (h == null) h = 480;
	okno=window.open(doc,"Popup",'toolbar=no,width='+ w +',height='+ h +',resizable=no,scrollbars=no,directories=no,status=no,menubar=no,location=no');
	okno.creator = self;      	
}