function SetSel(element, cl) {

    if (element.className.indexOf('Selected') < 0) {
        element.className = cl;
    }
}

function RemSel(element, cl) {

    var i = element.className.indexOf(cl);
    //alert(i);
    var l = cl.length;
    //alert(l);

    if (i > -1) {
        //alert(element.className.substring(i, l));
        element.className = element.className.substring(i, l);
    }
}