var showAdStep = 3;
var showAdTimeout = 15;
var clipTop = 73;
var adHeight = 73;
function showPopupAd()
{
    if (clipTop > 0)
    {
        clipTop -= showAdStep;
        if (clipTop < 0) clipTop = 0;
        var rect = 'rect('+ clipTop +'px, auto, auto, auto)';
        //$('playerAd').style.clip = rect;
        //setTimeout(showPopupAd,showAdTimeout);
    }
}
function closePopupAd()
{
    if (clipTop < 73)
    {
        clipTop += showAdStep;
        var rect = 'rect('+ clipTop +'px, auto, auto, auto)';
        //$('playerAd').style.clip = rect;
        //setTimeout(closePopupAd,showAdTimeout);
    }
}