首尾相连的marquees

来源：互联网发布：ext js anchor 编辑：程序博客网时间：2024/05/17 07:48

<div id="marquees">
<ahref="javascript:">1.你可曾有过无数的梦想，</a><br>
<br>
<ahref="javascript:">2.却在时光的流逝里幻灭.</a><br>
<br>
<ahref="javascript:">3.你可曾对未来期待憧憬，</a><br>
<br>
<ahref="javascript:">4.却在成长的岁月中迷失.</a><br>
<br>
</div>
<script language="JavaScript">

marqueesHeight=140;
stopscroll=false;

with(marquees){
style.width=0;
style.height=marqueesHeight;
style.overflowX="visible";
style.overflowY="hidden";
noWrap=true;
onmouseover=newFunction("stopscroll=true");
onmouseout=newFunction("stopscroll=false");
}
document.write('<div id="templayer"style="position:absolute;z-index:1;visibility:hidden"></div>');

preTop=0; currentTop=0;

function init(){
templayer.innerHTML="";
while(templayer.offsetHeight<marqueesHeight){
templayer.innerHTML+=marquees.innerHTML;
}
marquees.innerHTML=templayer.innerHTML+templayer.innerHTML;
setInterval("scrollUp()",30);//越大越慢
}
document.body.onload=init;

function scrollUp(){
if(stopscroll==true) return;
preTop=marquees.scrollTop;
marquees.scrollTop+=1;
if(preTop==marquees.scrollTop){
marquees.scrollTop=templayer.offsetHeight-marqueesHeight;
marquees.scrollTop+=1;
}
}
</script>

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