<script language="javascript"> function selectDiv(i) { switch(i) { case 1: document.getElementById("test1").style.display="block"; document.getElementById("test2")style.display="none"; break; case 2: document.getElementById("test1").style.display="none"; document.getElementById("test2").style.display="block"; break; } } </script>
然后栏目的链接为 <a href="javascript:selectDiv(1);" target="_self"> <a href="javascript:selectDiv(2);" target="_self">
层加上id=test1 id=test2 如果栏目多就照加case 3
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