function hideFloatAd()
{
    if(document.body.clientWidth < 980)
    {
        document.getElementById('ctl00_PanelAdLeft').style.visibility = "hidden";
        document.getElementById('ctl00_PanelAdRight').style.visibility = "hidden";
    }
    else
    {
        document.getElementById('ctl00_PanelAdLeft').style.visibility = "";
        document.getElementById('ctl00_PanelAdRight').style.visibility = "";
    }
}