我也放个栏目切换代码，简简单单的。

吭哧吭哧了一上午，把163.com的栏目切换给扒下来了。我把css给去掉了。改用表格控制。喜欢这种不用层控制的东西。不知道对大家有没有用。有点不好就是把模板拉的老长。

发出来。给大家看看。：）

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<script language="javascript">
function setFocus3(i)
{
selectLayer3(i);
}
function selectLayer3(i)
{
switch(i)
{
case 1:
document.getElementById("N1").style.display="block";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
break;
case 2:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="block";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
break;
case 3:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="block";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
break;
case 4:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="block";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
break;
case 5:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="block";
document.getElementById("N6").style.display="none";
break;
case 6:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="block";
break;