<script language="javascript" type="text/javascript" src="js/tooltips.js"></script>

<script language="javascript1.2">
function log_out()
{
    ht = document.getElementsByTagName("html");
    ht[0].style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
    if (confirm(l_logout))
    {
        return true;
    }
    else
    {
        ht[0].style.filter = "";
        return false;
    }
}
var l_logout="Вы точно хотите выйти ?";
</script>

[<a href="logout.php\">".$tracker_lang['logout']."</a>]

[<a href="logout.php\" onclick=\"return log_out()\">".$tracker_lang['logout']."</a>]