lastScrollY = 0;
var arr_id = new Array("left_gg", "right_gg", "right_80x80");
function heartBeat(arr_id) {
    var diffY;
    if (document.documentElement && document.documentElement.scrollTop)
        diffY = document.documentElement.scrollTop;
    else if (document.body)
        diffY = document.body.scrollTop
    else
    { /*Netscape stuff*/ }

    percent = .1 * (diffY - lastScrollY);
    if (percent > 0) percent = Math.ceil(percent);
    else percent = Math.floor(percent);

    for (var i = 0; i < arr_id.length; i++) {
        document.getElementById(arr_id[i]).style.top = parseInt(document.getElementById(arr_id[i]).style.top) + percent + "px";
    }

    lastScrollY = lastScrollY + percent;
}
window.setInterval("heartBeat(arr_id)", 1);

function closeBanner(div_id) {
    document.getElementById(div_id).style.display = 'none';
    return;
}