http://fiddle.jshell.net/RAkKN/show/:
<!doctype html>
<html>
<head>
<title></title>
<style>
body {
margin: 0;
padding: 0;
}
div {
opacity: 0.5;
}
#red { background: red; }
#green { background: lime; }
#blue { background: blue; }
#green,
#blue {
width: 200px;
position: fixed;
left: 0;
}
#green {
bottom: 0;
height: 200px;
}
#blue {
bottom: 200px;
top: 0;
overflow: auto;
}
#red {
margin: 0 0 0 200px;
}
span { /* force overflow, for example */
display: block;
height: 3000px;
}
</style>
</head>
<body>
<div id="blue">
<span></span>
</div>
<div id="green"></div>
<div id="red">
<span></span>
</div>
</body>
</html>IE6; , IE6 ( JavaScript), , , JavaScript.