<style>
.nomenu{color:red;}
</style>
</head>
<body>
<div class="header">
<ul class="menu">
<li><a href="see.php">See</a></li>
<li><a href="user.php">User</a></li>
<li id="dropli"> Drop Down Menu
<ul id="drop" class="nomenu">
<li>First</li>
<li>Second</li>
<ul>
</li>
</ul>
</div>
<script>
li=document.getElementById('dropli')
function handler(){
document.getElementById('drop').className = "";
}
if(li.addEventListener){
li.addEventListener('mouseover',handler,false)
}
else{
li.attachEvent('onmouseover',handler)
}
</script>