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js源码--div实现marquee

2007-09-25 21:17 309 查看

<html>


<body>


<div id="div1" style="overflow:hidden;height:18px">


<div id="div2" >


<div id="div3">aaaaaa</div>


<div id="div4">bbbbbb</div>


<div id="div5">cccccc</div>


</div>


<div id="div5">aaaaaa</div>


</div>


</body></html>


<script language="JavaScript">


window.onload=init;




function init()...{


obj1=document.getElementById("div1");


obj2=document.getElementById("div2");


obj3=document.getElementById("div3");


obj4=document.getElementById("div4");


move();


}




function move()...{


obj1.scrollTop++;


window.status=obj1.scrollTop+"-"+obj2.offsetHeight




if(obj1.scrollTop>=obj2.offsetHeight)...{obj1.scrollTop-=obj2.offsetHeight}


time=setTimeout("move()",20)




if(obj1.scrollTop%18==17)...{


clearTimeout(time);


setTimeout("move()",2000)


}


}


</script>

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