__lastScrollY__ = 0;
function MakeObjectFloat(obj) {
    var diffY;
    if (document.documentElement && document.documentElement.scrollTop)
        diffY = document.documentElement.scrollTop;
    else if (document.body)
        diffY = document.body.scrollTop
    else
    { /*Netscape stuff*/ }

    //alert(diffY);
    percent = .1 * (diffY - __lastScrollY__);
    if (percent > 0) percent = Math.ceil(percent);
    else percent = Math.floor(percent);
    var abc = document.getElementById(obj);
    if (abc !=null)
    {
    document.getElementById(obj).style.top = parseInt(document.getElementById(obj).style.top) + percent + "px";


    __lastScrollY__ = __lastScrollY__ + percent;
    }

}