<html>
<head>
<metahttp-equiv="Content-Type"content="text/html; charset=gb2312"
>
<title>div 隐藏与显示</title>
<styletype=text/css>
#menus {
background-color: #c4cff0;
}
</style>
<scriptlanguage=javascript>
function Layer_HideOrShow(cur_div)
{ var current=document.getElementById(cur_div);
if(current.style.visibility=="hidden")
{
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