document.write('<script src="http://www.ask123.net/ad/zjwf_script2.jsp"></script>');

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

	percent = .1 * (diffY - lastScrollY);
	if (percent > 0)
		percent = Math.ceil(percent);
	else
		percent = Math.floor(percent);
	
    if(document.getElementById("ask123_ad1"))
	document.getElementById("ask123_ad1").style.top = parseInt(document
			.getElementById("ask123_ad1").style.top)
			+ percent + "px";
	
	if(document.getElementById("ask123_ad2") && document.getElementById("ask123_ad1"))
	document.getElementById("ask123_ad2").style.top = parseInt(document
			.getElementById("ask123_ad1").style.top)
			+ percent + "px";
	lastScrollY = lastScrollY + percent;
}
window.setInterval("heartBeat()", 1);