主题:高手们来看看这段代码,为什么不向上滚动啊,谢谢
<TABLE align=center cellSpacing=1 cellPadding=1 width=540>
<TBODY>
<TR>
<TD align=middle>
<DIV id=demo20 style="OVERFLOW: hidden; WIDTH: 540px; COLOR: #F9FBFD; ">
<TABLE cellSpacing=1 cellPadding=0 align=left bgColor=#F9FBFD border=0 cellspace="0">
<TBODY>
<TR>
<TD id=demo21 vAlign=top>
<TABLE cellSpacing=0 cellPadding=0 width=540>
<TBODY>
<TR>
<TD>{#modEdit#}</TD>
</TR>
</TBODY></TABLE></TD>
<TD id=demo22 vAlign=top>
<TABLE cellSpacing=0 cellPadding=0 width=540>
<TBODY>
<TR>
<TD>{#modEdit#}</TD>
</TR>
</TBODY></TABLE></TD></TR></TBODY></TABLE>
<SCRIPT language=JavaScript type=text/javascript>
var speed=16
demo22.innerHTML=demo21.innerHTML
function Marquee(){
if(demo22.offsetWidth-demo20.scrolltop<=0)
demo20.scrolltop-=demo21.offsetWidth
else{
demo20.scrolltop++
}
}
var MyMar=setInterval(Marquee,speed)
demo20.onmouseover=function() {clearInterval(MyMar)}
demo20.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</SCRIPT>
</DIV>
</TD></TR></TBODY></TABLE>