var Mar = document.getElementById("oneNews");
var child_div=Mar.getElementsByTagName("div")
var picH = 108;//移动高度
var scrollstep=3;//移动步幅,越大越快
var scrolltime=20;//移动频度(毫秒)越大越慢
var stoptime=3000;//间断时间(毫秒)
var tmpH = 0;
var flag1=1;
Mar.innerHTML += Mar.innerHTML;
function start(){
 if(tmpH < picH){
		if (flag1 >0)
		scrollstep =3;
		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);
		if (flag1 <0)
		scrollstep =0;
	}
}
function stop()
{
  flag1 =-1;
}
function restart()
{
  flag1 =1;
}
onload=function(){setTimeout(start,stoptime)};