var Mar = document.getElementById("Marquee");
var child_div=Mar.getElementsByTagName("div")
var picH = 40;//移動高度
var scrollstep=3;//移動步幅,越大越快
var scrolltime=20;//移動頻度(毫秒)越大越慢
var stoptime=3000;//間斷時間(毫秒)
var tmpH = 0;
Mar.innerHTML += Mar.innerHTML;
function start(){
	if(tmpH < picH){
		tmpH += scrollstep;
		if(tmpH > picH )tmpH = picH ;
		Mar.scrollTop = tmpH;
		setTimeout(start,scrolltime);
	}else{
		tmpH = 0;
		Mar.appendChild(child_div[0]);
		Mar.scrollTop = 0;
		setTimeout(start,stoptime);
	}
}
onload=function(){setTimeout(start,stoptime)};