function open_popup( url, sizex, sizey ) 
{
  var win2 = window.open(url, "dlg", "width=" + sizex + ",height=" + sizey + ",toolbar=no,location=no,directories=no,menubar=no,resizable=yes,scrollbars=yes,status=no");
  win2.focus();
  win2.opener = self;
}

function addbookmark(){
var bookmarkurl="http://www.sixsoftware.it"
var bookmarktitle="SixSoftware"

if (document.all)
  window.external.AddFavorite(bookmarkurl,bookmarktitle)
}