function popup(page){
     windowprops = "location=no,"
     + "scrollbars=yes,menubar=no,directories=no,titlebar=yes,status=no,resizable=no,height=500, width=700, top=0, left=0";
	var new_window=window.open(page, "_blank", windowprops)
         if (new_window.opener == null)   {
            new_window.opener = self
          }
	new_window.focus();
	window.name="page";
}