html, body {
	height: 100%;
}
.wrapper {
	height: 100%;
	margin: 0 auto -98px; /* the bottom margin is the negative value of the footer's height */
	position: relative;
	z-index: 6;
}

.scroll {
	height: 544px;
	width: 530px;
	overflow: auto;
	float: left;
	margin: 0 0 0 -18px;
}

.footer, .push {
	height: 98px; /* .push must be the same height as .footer */
	position: relative;
	z-index: 7;
}