上下滚动代码
<DIV style="WIDTH: 230px; HEIGHT: 200px; OVERFLOW: hidden" id=rolllink><DIV id=rolllink1>
<TABLE cellSpacing=1 width="100%">
<TBODY>
<TR align=middle>
<TD width=230><A href="http://www.ermudi.cn" target=_blank>石家庄网站建设</A></TD>
</TR>
<TR align=middle>
<TD width=230><A href="http://www.ermudi.cn" target=_blank>石家庄网站建设</A></TD>
</TR>
<TR align=middle>
<TD width=230><A href="http://www.ermudi.cn" target=_blank>石家庄网站建设</A></TD>
</TR>
<TR align=middle>
<TD width=230><A href="http://www.ermudi.cn" target=_blank>石家庄网站建设</A></TD>
</TR>
<TR align=middle>
<TD width=230><A href="http://www.ermudi.cn" target=_blank>石家庄网站建设</A></TD>
</TR>
</TBODY>
</TABLE>
</DIV>
<DIV id=rolllink2></DIV>
</DIV>
<SCRIPT>
var rollspeed=30
rolllink2.innerHTML=rolllink1.innerHTML //克隆rolllink1为rolllink2
function Marquee(){
if(rolllink2.offsetTop-rolllink.scrollTop<=0) //当滚动至rolllink1与rolllink2交界时
rolllink.scrollTop-=rolllink1.offsetHeight //rolllink跳到最顶端
else{
rolllink.scrollTop++
}
}
var MyMar=setInterval(Marquee,rollspeed) //设置定时器
rolllink.onmouseover=function() {clearInterval(MyMar)}//鼠标移上时清除定时器达到滚动停止的目的
rolllink.onmouseout=function() {MyMar=setInterval(Marquee,rollspeed)}//鼠标移开时重设定时器
</SCRIPT>
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