function addbookmark()
{
if(document.all)
  window.external.AddFavorite('http://www.media-d.com','Media Designers');
}

function displayWindow(url,width, height) {
        var Win = window.open(url,'displayWindow','width=' + width + ',height=' + height + ',resizable=1,scrollbars=yes,menubar=no' );
}