var bookmark_title = document.title;
var bookmark_url = window.location;
var bookmark_os;

if ( document.layers )
  bookmark_os = "n4";
  
else if ( document.getElementById && !document.all )
  bookmark_os = "n6";
  
else if ( document.all )
  bookmark_os = "ie";

function bookmark( title, url )
{
    if (bookmark_os == "ie")
    {
        window.external.AddFavorite(url, title);
    }
    else if (window.opera && window.print)
    {
        var elem = document.createElement('a');
        elem.setAttribute('href', url);
        elem.setAttribute('title', title);
        elem.setAttribute('rel', 'sidebar');
        elem.click();
    }
    else if (window.sidebar)
    {
        window.sidebar.addPanel(title, url, "");
    }
}