Welcher IE?
Quirksmodus?
IE8 (wird von der Firma halt so gestellt)
Dann hier der wichtige Teil vom Code (Links hab ich durch x ersetzt, aber dadran darf es ja nicht hapern)
<head>
<link rel="stylesheet" type="text/css" href="styles.css">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
....
...
<table style="text-align: left; width: 100%;" border="0" cellpadding="0" cellspacing="2">
<tbody>
<tr align="left" valign="top" width="200" height="75">
<!-- Linker Bereich mit Links -->
<td style="width: 200px;">
<div id="cssmenu">
<ul>
<!-- Sonstiges -->
<li class="has-sub"><a href="#"><span>Sonstiges</span></a>
<ul>
<li class="has-sub"><a href="#"><span>Links</span></a>
<ul>
<li><a href="http://xxxx" target="_blank"><span>Link1 </span></a></li>
<li><a href="http://xxxxx" target="_blank"><span>Link2 </span></a></li>
<li><a href="http://xxxxx" target="_blank"><span>Link3 </span></a></li>
<li class="last"><a href="http://xxx" target="_blank"><span>Link4 </span></a></li>
</ul>
</li>
<li class="has-sub"><a href="#"><span>Tools</span></a>
<ul>
<li><a href="yyyy" target="_blank"><span>Tool 1</span></a></li>
<li class="last"><a href="yyyyy" target="_blank"><span>Tool 2</span></a></li>
</ul>
</li>
<li class="has-sub"><a href="#"><span>Laufwerke</span></a>
<ul>
<li><a href="http://zzzz" target="_blank"><span>LW1</span></a></li>
<li><a href="http://zzzzz" target="_blank"><span>LW2</span></a></li>
<li><a href="http://zzzz" target="_blank"><span>LW3</span></a></li>
<li class="last"><a href="http://zzzz" target="_blank"><span>LW4</span></a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</body>
</html>