html, body {height: 100%;}

#wrap {min-height: 100%;}

#main {overflow:auto;
	padding-bottom: 20px;}  /* must be same height as the footer */

#footer {position: relative;
	margin-top: -20px; /* negative value of footer height */
	height: 20px;
	clear:both;} 

/*Opera Fix*/
body:before {
	content:"";
	height:100%;
	float:right;
	width:0;
	margin-top:-32767px;/
}


<!--[if !IE 7]>
	<style type="text/css">
		#wrap {display:table;height:100%}
	</style>
<![endif]-->