function closeIt() {
var hovering = document.getElementById("hover");
hovering.style.display = "none";
}
    var ie = false;
    if (document.all) { ie = true; }

    function getObj(id) {
        if (ie) { return document.all[id]; }
        else {    return document.getElementById(id);    }
    }
    function setSidebarTop() {
        //alert('hoy');
        var sidec = getObj('hover');
        sidec.style.top = 290 + document.body.scrollTop;
        setTimeout('setSidebarTop()', 10);
    }
    setTimeout('setSidebarTop();', 2000);