<head runat="server">
<title></title>
<style>
.container {
overflow-x: visible;
}
.menu {
float: left;
display: block;
width: 200px;
height: 800px;
}
.content {
display: block;
width: 200px;
height: 800px;
}
.scrollingbody {
overflow-x: scroll;
}
</style>
</head>
<body class="scrollingbody">
<form id="form1" runat="server">
<div class="container">
<div id="d1" class="menu">
option1
option2
option3
</div>
<div id="d2" class="content">
Stuff
stuff
stuff
</div>
</div>
</form>
</body>