Probleme avec ce code html

Bonsoir j'ai besoin d'un petit renseignement au sujet de ce code .
j'aimerai savoir comment faire pour que celui ci revienne au point de depart sans a avoir besoin de cliquée sur Accueil
les sous menu reste ouvert
merci de votre aide.

<html>

<head>
<meta http-equiv="Content-Language" content="fr">
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>Nouvelle page 1</title>
</head>

<body>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<title>Page1</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" media="screen">
<!--
body {
margin: 0;
padding: 0;
background: white;
font: 80% verdana, arial, sans-serif;
}
li {
margin: 0;
padding: 0;
list-style-type: none;
}
ul {
margin: 0;
padding: 0;
list-style-type: none;
}
dd {
margin: 0;
padding: 0;
list-style-type: none;
}
dt {
margin: 0;
padding: 0;
list-style-type: none;
}
dl {
margin: 0;
padding: 0;
list-style-type: none;
}
#menu {
position: absolute; /
top: 0;
left: 0;
}
#menu {
width: 15em;
}
#menu dt {
cursor: pointer;
margin: 2px 0;;
height: 20px;
line-height: 20px;
text-align: center;
font-weight: bold;
border: 1px solid gray;
background: #ccc;
}
#menu dd {
border: 1px solid gray;
}
#menu li {
text-align: center;
background: #fff;
}
#menu dt a {
color: #000;
text-decoration: none;
display: block;
border: 0 none;
height: 100%;
}
#menu li a {
color: #000;
text-decoration: none;
display: block;
border: 0 none;
height: 100%;
}
#menu dt a:hover {
background: #eee;
}
#menu li a:hover {
background: #eee;
}
-->
</style>

<script type="text/javascript">
<!--
window.onload=montre;
function montre(id) {
var d = document.getElementById(id);
for (var i = 1; i<=10; i++) {
if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
}
if (d) {d.style.display='block';}
}
//-->
</script>

<div id="menu" style="width: 15em; position: absolute; top: 46px; left: 51px; background-color:#FFFFFF">
<dl style="list-style-type: none; margin: 0; padding: 0">
<dt onmouseover="javascript:montre();" style="cursor: pointer; height: 20px; line-height: 20px; text-align: center; font-weight: bold; list-style-type: none; border: 1px solid gray; margin: 2px 0; padding: 0; background: #FFFFFF">
<a title="Retour à l'accueil" style="color: #000; text-decoration: none; display: block; height: 100%; border: 0 none" href="baby_gym%202.htm">
Accueil</a></dt>
</dl>
<dl style="list-style-type: none; margin: 0; padding: 0">
<dt onmouseover="javascript:montre('smenu1');" style="cursor: pointer; height: 20px; line-height: 20px; text-align: center; font-weight: bold; list-style-type: none; border: 1px solid gray; margin: 2px 0; padding: 0; background: #FFFFFF">
Baby Gym</dt>
<dd id="smenu1" style="list-style-type: none; border: 1px solid gray; margin: 0; padding: 0">
<ul style="list-style-type: none; margin: 0; padding: 0">
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
photo</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 1.2</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 1.3</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 1.4</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 1.5</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 1.6</a></li>
</ul>
</dd>
</dl>
<dl style="list-style-type: none; margin: 0; padding: 0">
<dt onmouseover="javascript:montre('smenu3');" style="cursor: pointer; height: 20px; line-height: 20px; text-align: center; font-weight: bold; list-style-type: none; border: 1px solid gray; margin: 2px 0; padding: 0; background: #FFFFFF">
Gym</dt>
</dl>
</dd>
<dl style="list-style-type: none; margin: 0; padding: 0">
<dd id="smenu3" style="list-style-type: none; border: 1px solid gray; margin: 0; padding: 0">
<ul style="list-style-type: none; margin: 0; padding: 0">
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Photos</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 3.2</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 3.3</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 3.4</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 3.5</a></li>
</ul>
</dd>
</dl>
<dl style="list-style-type: none; margin: 0; padding: 0">
<dt onmouseover="javascript:montre('smenu4');" style="cursor: pointer; height: 20px; line-height: 20px; text-align: center; font-weight: bold; list-style-type: none; border: 1px solid gray; margin: 2px 0; padding: 0; background: #FFFFFF">
Grs</dt>
<dd id="smenu4" style="list-style-type: none; border: 1px solid gray; margin: 0; padding: 0">
<ul style="list-style-type: none; margin: 0; padding: 0">
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Photos</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 4.2</a></li>
<li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 4.3</a></li><li style="text-align: center; list-style-type: none; margin: 0; padding: 0; background: #fff">
<a style="color: #0066FF; text-decoration: none; display: block; height: 100%; border: 0 none" href="#">
Sous-Menu 4.3</a></li>
</ul>
</dd>
</dl>
</div>

<p> </p>
<p> </p>

</body>

</html>

Configuration: Windows XP
Firefox 3.0.10