左边隐藏菜单效果 - 菜单/导航条代码

<style>

#menuShow{
border: 1px solid #999999;
background-color: #cccccc;
padding: 0px;
font-size: 10px;
font-family: tahoma;
position: absolute;
width: 161px;
height: auto;
}

#menuSelect{
border: 1px solid #999999;
background-color: #cccccc;
padding: 0px;
font-size: 10px;
font-family: tahoma;
position: absolute;
width: 161px;
height: 24px;
}

a {  font-family: "tahoma"; font-size: 10px; line-height: 16px; color: #333333; text-decoration: none}
a:hover {  font-family: "tahoma"; font-size: 10px; line-height: 16px; color: #FFFFFF; text-decoration: none}
</style>
<body bgcolor="#FFFFFF" text="#000000">
<div id="menuSelect" style=""> <a href="#" onClick="moveOnMenu();moveOffSelector()"> 
  <img src="http://www.wosowoso.com/google/b2/jpg/ccc1.gif" width="161" height="24" border="0"></a></div>
<div id="menuShow" style="" align="center"> <a href="#" onClick="moveOffMenu();moveOnSelector()"> 
  <img src="http://www.wosowoso.com/google/b2/jpg/ccc2.gif" width="161" height="24" border="0"></a> <br>
<a href="http://www.wosowoso.com">我搜特效代码</a><br>
<a href="http://sc.wosowoso.com">我搜特效代码</a><br>
<a href="http://www.wosowoso.com">我搜特效代码</a><br>
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<a href="http://www.wosowoso.com">我搜特效代码</a><br>
<a href="http://www.wosowoso.com">我搜特效代码</a><br>
<br>
<a href="http://www.wosowoso.com">Menu Item F</a><br>
<a href="http://www.wosowoso.com">Menu Item G</a><br>
<a href="http://www.wosowoso.com">Menu Item H</a><br>
</div>

<SCRIPT LANGUAGE="JavaScript">
// Set Show to "yes" to show the menu on start-up.
// Set Show to "no" to show the selector on start-up.

Show ="no";

// Set OffX in pixels to a negative number 
// somewhat larger than the width of the menu.

var OffX = -200;

// Set the PosX and PosY variables
// to the location on the screen where the
// menu should position (in pixels) when stopped.

var PosX =  10;
var PosY =  10;

// Usually, use the settings shown; but you can
// change the speed and the increment of motion
// across the screen, below.

var speed        = 5;
var increment    = 5;
var incrementNS4 = 5; // for slower NS4 browsers

// do not edit below this line
// ===========================

var is_NS = navigator.appName=="Netscape";
var is_Ver = parseInt(navigator.appVersion);
var is_NS4 = is_NS&&is_Ver>=4&&is_Ver<5;
var is_NS5up = is_NS&&is_Ver>=5;

var MenuX = OffX;
var SelX = PosX;
var sPosX = PosX;
var sOffX = OffX;

if (Show == "yes") {
sPosX = OffX;
sOffX = PosX;
MenuX = sOffX;
SelX = sPosX;
}

if (is_NS4) {
increment = incrementNS4;
Lq = "document.layers.";
Sq = "";
eval(Lq+'menuSelect'+Sq+'.left=sPosX');
eval(Lq+'menuShow'+Sq+'.left=sOffX');
eval(Lq+'menuSelect'+Sq+'.top=PosY');
eval(Lq+'menuShow'+Sq+'.top=PosY');
} else {
Lq = "document.all.";
Sq = ".style";
document.getElementById('menuSelect').style.left = sPosX+"px";
document.getElementById('menuShow').style.left = sOffX+"px";
document.getElementById('menuSelect').style.top = PosY+"px";
document.getElementById('menuShow').style.top = PosY+"px";
}