#page_bg {
	min-height: 100%;
	height:100%;
}
#html {
	height:100%;
}
#background_slider {
	min-height: 100%;
	width: 100%;
	height: 100%;
	z-index: -1;
	position: relative;
	overflow: hidden;
	display: block;
/*
	position: absolute;
*/
	top:0;
	left: 0;
}
#background_slider div {
	background-position: top center;
	width: 100%;
	height: 100%;
	position: relative;
	overflow: hidden;
	background-repeat: no-repeat;
	background-size:cover;
}

#header_bg {
	position:absolute;
	width: 100%;
	z-index: 1000;
}