js向左滚动的文字

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head> <title>向左滚动的文字特效JS代码 </title>

</head>

<body>

<div >

<div > 基于jquery特效，jquery弹出层效果，js特效代码大全，JS广告代码，导航菜单代码，下拉菜单代码和jquery焦点图片代码。

</div>

</div>

var demo2=document.getElementById("demo2");

var demo1=document.getElementById("demo1");

var demo=document.getElementById("demo");

function MarqueeLeft()

{ if(demo2.offsetWidth-demo.scrollLeft<=0) demo.scrollLeft-=demo1.offsetWidth else{ demo.scrollLeft++ } }

var MyMar=setInterval(MarqueeLeft,speed); demo.onmouseover=function() {clearInterval(MyMar);} demo.onmouseout=function() {MyMar=setInterval(MarqueeLeft,speed);} </script>

</body> </html>