一直移动
<script language="javascript">
var speed1=50;
if(document.getElementById("demo1_1").offsetWidth>457) document.getElementById("demo1_2").innerHTML=document.getElementById("demo1_1").innerHTML
function Marquee1(){
if(document.getElementById("demo1_2").offsetWidth-document.getElementById("demo1").scrollLeft<=0)
document.getElementById("demo1").scrollLeft-=document.getElementById("demo1_1").offsetWidth
else{
document.getElementById("demo1").scrollLeft++
}
}
if(document.getElementById("demo1_1").offsetWidth>40){var MyMar1=setInterval(Marquee1,speed1)
document.getElementById("demo1").onmouseover=function() {clearInterval(MyMar1)}
document.getElementById("demo1").onmouseout=function() {MyMar1=setInterval(Marquee1,speed1)}}
</script>