var timerID;
var pointAtX;
function startSlideInhomepageAd() {
	pointAtX = -250;
	document.getElementById("homepageAd").style.visibility = "visible";
	timerID = setInterval("slideInhomepageAd()", 80);
}
function slideInhomepageAd() {
	pointAtX += 25;
	document.getElementById("homepageAd").style.top = pointAtX;
	if ( pointAtX >= 80 ) {
		clearTimeout(timerID);
	}
}