This will add a 'Mark as read' bar to the last category. Edit the part in red to change the image.



<script>

var img = 'http://virtualforums.co.uk/images/home.gif';

var r = get('tr','tag'); var a = r.length; var x = document.createElement('tr'); var y = document.createElement('td'); var i = document.createElement('img'); var l = document.createElement('a');
i.src = img;
l.href = '/action/markasread/type/boards/';
l.appendChild(i);
y.align = 'right';
y.className = 'title1';
y.colSpan = '3';
y.appendChild(l);
x.appendChild(y);
while(a--){
    if(r[a].id.match(/board_(\w)/)){
        r[a].parentNode.insertBefore(x, r[a].nextSibling);
        break;
    }
}
</script>

Main Footer

Here is a mark as read image that is default themed. :] http://wimg.co.uk/JtR5mp.gif