解读asp中菜单的高级显示
【赛迪网讯】上午花了数个小时终于弄明白了在一些网站上面的“动态”菜单显示，即单击一下可以展开，再单击一下可以收拢。搞了半天，原来如此简单。下面对其进行解释。
<!--#include file="includes/conn.asp"-->
<%
if session("admin")="" then
response.redirect "admin_login.asp"
end if
%>
<html>
<head>
<title>管理导航</title>
<STYLE type=text/css>
BODY {
BACKGROUND: #CCCCCC url('Images/admin/topbg.gif')
repeat-x fixed top; MARGIN: 0px; SCROLLBAR-FACE-COLOR: #C5D5B7;
SCROLLBAR-HIGHLIGHT-COLOR: #ffffff;
SCROLLBAR-SHADOW-COLOR: #ffffff;
SCROLLBAR-3DLIGHT-COLOR: #C5D5B7;
SCROLLBAR-ARROW-COLOR: #006600;
SCROLLBAR-TRACK-COLOR: #999966;
SCROLLBAR-DARKSHADOW-COLOR: #C5D5B7;
font-style:normal; font-variant:normal;
font-weight:normal; font-size:12px; font-family:宋体
}
TABLE { BORDER-RIGHT: 0px; BORDER-TOP: 0px;
BORDER-LEFT: 0px; BORDER-BOTTOM: 0px}
TD { FONT: 12px 宋体}
IMG { BORDER-RIGHT: 0px; BORDER-TOP: 0px;
VERTICAL-ALIGN: bottom; BORDER-LEFT: 0px; BORDER-BOTTOM: 0px}
A { FONT: 12px 宋体; COLOR: #000000; TEXT-DECORATION: none}
A:hover { COLOR: #009900; TEXT-DECORATION: underline}
.sec_menu { BORDER-RIGHT: white 1px solid;
BACKGROUND: #E9EBE2; OVERFLOW: hidden;
BORDER-LEFT: white 1px solid; BORDER-BOTTOM: white 1px solid}
.menu_title { }
.menu_title SPAN { FONT-WEIGHT: normal;
LEFT: 8px;
COLOR: #333333;
POSITION: relative;
TOP: 2px;
font-size: 14px;
}
.menu_title2 {}
.menu_title2 SPAN {
FONT-WEIGHT: normal;
LEFT: 8px;
COLOR: #333333;
POSITION: relative;
TOP: 2px;
font-size: 14px;
}
</STYLE>
<%
'菜单显示函数，不需要进行更改
%>
<SCRIPT language=javascript1.2>
function showsubmenu(sid)
{
whichEl = eval("submenu" + sid);
if (whichEl.style.display == "none")
{
eval("submenu" + sid + ".style.display=\"\";");
}
else
{
eval("submenu" + sid + ".style.display=\"none\";");
}
}
</SCRIPT>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<base target="rtop">
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