marqueesHeight=70; //内容区高度
stopscroll=false;

function d(id){return document.getElementById(id);}

function scrollUp(){
	if(stopscroll==true) return;
	preTop=d("marquees").scrollTop;
	d("marquees").scrollTop+=1;
	if(preTop==d("marquees").scrollTop){d("marquees").scrollTop=d("templayer").offsetHeight-marqueesHeight+1;}
}

function init(){
	while(d("templayer").offsetHeight<marqueesHeight){d("templayer").innerHTML+=d("marquees").innerHTML;}
	d("marquees").innerHTML=d("templayer").innerHTML+d("templayer").innerHTML;
	setInterval("scrollUp()",60);	//速度控制
}

with(d("marquees")){
	noWrap=true;
	style.height=marqueesHeight+"px";
	style.overflowY="hidden";
}

document.write('<div id="templayer" style="position:absolute;z-index:1;visibility:hidden;left:0;bottom:0"></div>');
d("templayer").innerHTML=d("marquees").innerHTML
if (d("templayer").innerHTML!=''){
	window.onload=function(){init();};
	preTop=0;
	d("marquees").onmouseover=new Function("stopscroll=true");
	d("marquees").onmouseout=new Function("stopscroll=false");
}