#wrapper.fixed_height {
	margin: 0;
	height: 640px;
	left: 50%;
	top: 50%;
	margin-left: -496px;
	margin-top: -320px;
	position: fixed;
}
#wrapper.fixed_height #header {
	padding-top: 0 !important;
}
#header #menu {
	display: block;
}
#header #static_menu {
	display: none;
}