var adRWidth = 120; //chieu rong cua banner
var top_height = 50; //khoang cach phia tren banner
truWidth = adRWidth - 104; //102
function FloatTopDiv() {
    startLX = ((document.body.clientWidth - 1215) / 2) - truWidth, startLY = 0;
    startRX = ((document.body.clientWidth - 775) / 2) + 891, startRY = 0;  //891
    var d = document;
    function ml(id) {
        var el = d.getElementById ? d.getElementById(id) : d.all ? d.all[id] : d.layers[id];
        el.sP = function(x, y) { this.style.left = x + 'px'; this.style.top = y + 'px'; };
        el.x = startRX;
        el.y = startRY;
        return el;
    }
    function m2(id) {
        var e2 = d.getElementById ? d.getElementById(id) : d.all ? d.all[id] : d.layers[id];
        e2.sP = function(x, y) { this.style.left = x + 'px'; this.style.top = y + 'px'; };
        e2.x = startLX;
        e2.y = startLY;
        return e2;
    }
    window.stayTopLeft = function() {
        if (document.documentElement && document.documentElement.scrollTop)
            var pY = document.documentElement.scrollTop;
        else if (document.body)
            var pY = document.body.scrollTop;
        if (document.body.scrollTop > 30) { startLY = top_height; startRY = top_height; } else { startLY = top_height; startRY = top_height; };
        ftlObj.y += (pY + startRY - ftlObj.y) / 16;
        ftlObj.sP(ftlObj.x, ftlObj.y);
        ftlObj2.y += (pY + startLY - ftlObj2.y) / 16;
        ftlObj2.sP(ftlObj2.x, ftlObj2.y);
        setTimeout("stayTopLeft()", 1);
    }
    ftlObj = ml(AdvRightID);
    //stayTopLeft();
    ftlObj2 = m2(AdvLeftID);
    stayTopLeft();
}
function ShowAdDiv() {
    var objAdDivRight = document.getElementById(AdvRightID); //divAdRight
    var objAdDivLeft = document.getElementById(AdvLeftID);   //divAdLeft
    if (document.body.clientWidth < 1180) {
        objAdDivRight.style.display = "none";
        objAdDivLeft.style.display = "none";
    }
    else {
        objAdDivRight.style.display = "block";
        objAdDivLeft.style.display = "block";
        FloatTopDiv();
    }
}