#wrapper{
	width:775px;
	margin:auto;
	text-align:left;
}

#nav{
	height: 30px;
	background-color:red;
}

#header{
	height: 215px;
	background-color:green;

}

#leftcontent{
	background-color:red;

}

#rightcontent{
	background-color:blue;

}

#footer{
	background-color:green;

}