Doğru html kodu bu
<html>
<head>
<title>Yeni Sayfa 1</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link rel="stylesheet" type="text/css" href="chrometheme/chromestyle.css" />

<script type="text/javascript" src="chromejs/chrome.js">

</script>

</head>

<body>



<div class="chromestyle" id="chromemenu">
<ul>
<li><a href="http://www.dynamicdrive.com">Home</a></li>
<li><a href="#" rel="dropmenu1">Resources</a></li>
<li><a href="#" rel="dropmenu2">News</a></li>
<li><a href="#" rel="dropmenu3">Search</a></li>	
</ul>
</div>

<!--1st drop down menu -->                                                   
<div id="dropmenu1" class="dropmenudiv">
<a href="http://www.dynamicdrive.com/">Dynamic Drive</a>
<a href="http://www.cssdrive.com">CSS Drive</a>
<a href="http://www.javascriptkit.com">JavaScript Kit</a>
<a href="http://www.codingforums.com">Coding Forums</a>
<a href="http://www.javascriptkit.com/jsref/">JavaScript Reference</a>
</div>


<!--2nd drop down menu -->                                                
<div id="dropmenu2" class="dropmenudiv" style="width: 150px;">
<a href="http://www.cnn.com/">CNN</a>
<a href="http://www.msnbc.com">MSNBC</a>
<a href="http://news.bbc.co.uk">BBC News</a>
</div>

<!--3rd drop down menu -->                                                   
<div id="dropmenu3" class="dropmenudiv" style="width: 150px;">
<a href="http://www.google.com/">Google</a>
<a href="http://www.yahoo.com">Yahoo</a>
<a href="http://www.msn.com">MSN</a>
</div>


<script type="text/javascript">

cssdropdown.startchrome("chromemenu")

</script>



</body>

</html>