function openwindow( url, w, h, title )
{
   openw=window.open( url,title,
    "toolbar=no,directories=no,menubar=no,location=no,status=yes,resizable=yes,scrollbars=yes,width=" + w + ",height=" + h);
   if(openw!=null)
   {
      if(openw.opener == null) 
      {
         openw.opener=self;
      }
   }
   return false;   
}