function onSelected(url)
{
    if(url != "") {
        window.location.href = url;
    }
}

function setSelected(current) {
    sel = document.form.cat_sel;
    for (i = 0; i < sel.options.length; i++) {
        if(sel.options[i].className == current){
            sel.options[i].selected = true;
        }
    }
}