Frage wegen Coolmenü

<style type="text/css" media="screen">
<!--
body
{
font-family: Arial, sans-serif;
font-size: 11px;
overflow: auto;
padding: 13px;
margin: 0px;
}

ul, li
{
list-style-type: none;
padding: 0px;
margin: 0px;
}

div.menu
{
position: absolute;
z-index: 3;
top: 153px;
left: 50%;
margin-left:-290px;
width: 100%;
}

.menu li
{
width: 200px;
float: left;
}

.menu a
{
border: 1px solid #F2F2F2;
background-image:url (http://img2.myimg.de/ContentTop4df8e.png);
padding-top: 9px;
text-decoration: none;
text-align: center;
font-weight: bold;
cursor: pointer;
margin: 0px 10px;
display: block;
height: 25px;
color: #FFFFFF;
}

.menu a:hover
{
background-image:url (http://img2.myimg.de/Button833b6.png);
}

#smenu1, #smenu2, #smenu3
{
font-size: 13px;
display: none;
width: 200px;
float: left;
}

#smenu1 a, #smenu2 a, #smenu3 a
{
font-size: 13px;
font-weight: bold;
padding-top: 9px;
border-top: 0px;
cursor: pointer;
}
//-->

</style>

<script type="text/javascript">
<!--
function montre(id)
{
with (document)
{
if (getElementById)
getElementById(id).style.display = 'block';
else if (all)
all[id].style.display = 'block';
else
layers[id].display = 'block';
}
}

function cache(id)
{
with (document)
{
if (getElementById)
getElementById(id).style.display = 'none';
else if (all)
all[id].style.display = 'none';
else
layers[id].display = 'none';
}
}
//-->
</script>

<div class="menu">
<li><a href="javascript:void(0);" onmouseover="montre('smenu1');" onmouseout="cache('smenu1');">Service </a>
<ul id="smenu1" onmouseover="montre('smenu1');" onmouseout="cache('smenu1');">
<li><a href="http://www.more-fun-at.de.tl/Blue-Water.htm " target="_self">Blue Water</a></li>
<li><a href="http://www.more-fun-at.de.tl/Yellow-King.htm " target="_self">Yellow King </a></li>
<li><a href="http://www.more-fun-at.de.tl/Dark-Blue%26Green.htm " target="_self">Dark Blue&Green</a></li>
<li><a href="http://www.more-fun-at.de.tl/Dark-Color-h-s.htm " target="_self">Dark Color’s</a></li>
<li><a href="http://www.more-fun-at.de.tl/Servie4you.htm " target="_self">Service4you</a></li>
</ul>
</li>

<li><a href="javascript:void(0);" onmouseover="montre('smenu2');" onmouseout="cache('smenu2');">Generatoren&Fragen </a>
<ul id="smenu2" onmouseover="montre('smenu2');" onmouseout="cache('smenu2');">
<li><a href="http://www.more-fun-at.de.tl/CSS_Generator.htm " target="_self">CSS-Generator</a></li>
<li><a href="http://www.more-fun-at.de.tl/Boxengenerator.htm " target="_self">Boxen-Generator</a></li>
<li><a href="http://design-creator.pro-hp.de/ " target="_self">Iceblue-Generator</a></li>
<li><a href="http://www.more-fun-at.de.tl/Ihr-habt-Fragen-f-.htm " target="_self">Ihr habt Fragen?</a></li>
</ul>
</li>

<li><a href="javascript:void(0);" onmouseover="montre('smenu3');" onmouseout="cache('smenu3');">Sonstiges </a>
<ul id="smenu3" onmouseover="montre('smenu3');" onmouseout="cache('smenu3');">
<li><a href="http://www.more-fun-at.de.tl/Chat.htm " target="_self">Chat</a></li>
<li><a href="http://www.more-fun-at.de.tl/Werbung.htm " target="_self">Werbung</a></li>
<li><a href="http://www.more-fun-at.de.tl/Impressum.htm " target="_self">Impressum</a></li>
<li><a href="http://your-designs.foren-city.de/ " target="_self">Forum</a></li>
<li><a href="http://www.more-fun-at.de.tl/Impressum.htm " target="_self">Iceblue-Buttons</a></li>
<li><a href="http://www.more-fun-at.de.tl/Codes.htm " target="_self">Codes</a></li>
</ul>
</li>
</ul>
</div>

.menu a:hover
{
background-image:url (http://img2.myimg.de/Button833b6.png);
}