function slideshow(url)
 {
  //satHeight= document.all ? screen.availHeight : screen.availHeight;
  //satWidth= document.all ? screen.availWidth: screen.availWidth;
  //satWidth = satWidth - 10;
  //satHeight = satHeight - 10;
  satWidth = 900;
  satHeight = 700;
  new_window=window.open(url,'dia','toolbar=no,scrollbars=no,resizable=yes,status=no,menubar=no,location=no,fullscreen=yes,screenX=0,screenY=0,left=0,top=0,width=' + satWidth + ',height=' + satHeight + '');
  new_window.focus();
  return false;
 }