#box_full_tengah{
	position: fixed;
	width: 100%;
	height: 100%;
	min-height:500px;
	top: 0px;
	left: 0px;
	z-index: 0;
}
#box_full_footer{
	position: fixed;
	height: 20px;
	width:100%;
	bottom: 0px;
	background: #ffffff;
	z-index: 10;
}