<script language=javascript>
function showback1(a,b)
{
eval('td'+a+'').background=js/+b+.jpg;
}
function shouback11(a,b)
{
eval('td'+a+'').background=js/+b+.jpg;
}
</script>
以下是td调用
<td width=100 height=89 align=center valign=bottom id=td1 style=cursor:hand background=js/11.jpg onmouseover=showback1(1,1) onmouseout=shouback11(1,11) onclick=window.open('index.asp?id=<%=id%>')> </td>