Something

<html>
<head>
<style type="text/css">
body {
margin: 0px;
padding: 0px;
}

.head {
width: 500px;
}
.headL {
float: left;
background-color: red;
height: 20px;
width: 50px;
}
.headR {
float: right;
background-color: blue;
height: 20px;
width: 50px;
}
.headM {
background-color: green;
height: 20px;
width: 100%;
}
.body {
width: 500px;
}
.bodyL {
float: left;
background-color: red;
height: 20px;
width: 50px;
}
.bodyR {
float: right;
background-color: blue;
height: 20px;
width: 50px;
}
.bodyM {
background-color: green;
height: 20px;
width: 100%;
}
.foot {
width: 500px;
}
.footL {
float: left;
background-color: red;
height: 20px;
width: 50px;
}
.footR {
float: right;
background-color: blue;
height: 20px;
width: 50px;
}
.footM {
background-color: green;
height: 20px;
width: 100%;
}
</style>
</head>
<body>
	<div class="fullWin">
		<div class="head">
			<div class="headL"></div>
			<div class="headR"></div>
			<div class="headM"></div>
		</div>
		
		<div class="body">
			<div class="bodyL"></div>
			<div class="bodyR"></div>
			<div class="bodyM"></div>
		</div>
		
		<div class="foot">
			<div class="footL"></div>
			<div class="footR"></div>
			<div class="footM"></div>		
		</div>
	</div>
</body>
</html>