html,
body {
margin:0;
padding:0;
height:100%;
}

#wrap { 
	width: 728px; 
	margin: 0 auto; 
	min-height:100%;
	position:relative;
}

#content {
padding:10px;
padding-bottom:160px; 
}

#footer {
	width:100%;
height:160px;
position:absolute;
bottom:0;
left:0;
}