Navigation problem

Hallo meine Navigation funktioniert leider nicht im IE 8 in den anderen wie Operea + firefox sowie IE 5,6,7 gibt es keine probleme..


https://www.mallorca-properties.co.uk/ ... erty.php

Was kann ich machen???

danke fuer die hilfe
dominik

<div id="css-navigation">
<div style="float: left;">
<div><div style="display:none;">
<ul id="imenus0" style="width:780px">

<li style="width:165px;background:url(/images/interface/tab-right.gif) no-repeat right top;"><a href="/mallorca-properties.html" style="background: url(/images/interface/tab-left.gif) no-repeat left top; padding:7px 7px 7px 0; display: block;">1</a>
<div><div style="width:160px;top:0px;left:-1px;"><ul class="nav-submenu">
<li><a href="/mallorca-apartments.html">XXX Apartment</a></li>
</ul></div></div></li>

<li style="width:126px; background:url(/images/interface/tab-right.gif) no-repeat right top;"><a href="/Majorca-information.html" style="background: url(/images/interface/tab-left.gif) no-repeat left top; padding:7px 7px 7px 0; display: block;">2</a>
<div><div style="width:160px;left:-1px;"><ul class="nav-submenu">
<li><a href="/mallorca-property.html">Buying Process</a></li>
</ul></div></div></li>

<li style="width:124px; background:url(/images/interface/tab-right.gif) no-repeat right top;"><a href="/cala-dor.php" style="background: url(/images/interface/tab-left.gif) no-repeat left top; padding:7px 7px 7px 0; display: block;">3</a>
<div><div style="width:160px;left:-1px;"><ul class="nav-submenu">
</ul></div></div></li>
<li style="width:95px; background:url(/images/interface/tab-right.gif) no-repeat right top;"><a href="/client-area/index3.php" style="background: url(/images/interface/tab-left.gif) no-repeat left top; padding:7px 7px 7px 0; display: block;">4</a></li>
<li style="width:105px; background:url(/images/interface/tab-right.gif) no-repeat right top;"><a href="/porto-petro-inmobiliaria.php" style="background: url(/images/interface/tab-left.gif) no-repeat left top; padding:7px 7px 7px 0; display: block;">5</a>
<div><div style="width:180px;left:-1px;"><ul class="nav-submenu">



</ul></div></div></li>


<li style="width:165px; background:url(/images/interface/tab-right-orange.gif) no-repeat right top;"><a href="/contact.php" style="background: url(/images/interface/tab-left-orange.gif) no-repeat left top; padding:7px 0; display: block;">Contact us</a></li>
</ul><div style="clear:left;"></div></div>
</div></div>
<div style="clear:left;"></div>
</div><!-- end #css-navigation -->
<script language="JavaScript" type="text/javascript" src="/js/imenus-dynamic.js"></script>

Dominik32 hat geschrieben: Was kann ich machen???

Validen code erzeugen, was anderes kann man bei 106 html-Fehlern wohl nicht empfehlen.