#div_screen{
		position: absolute;	
		background-color: gray;
		FILTER:progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=50);
		-moz-opacity: 0.50;
		lborder: 10px solid blue;
		height: 100px;
		width: 1000px;
		top: 0px;
		left: 0px;
		z-index: 100;
	}
#div_collection_items{
	position: absolute;
	background-color: white;
	height: 100px;
	width: 1000px;
	top: 0px;
	left: 0px;
	z-index: 101;
	border: 3px solid #606162;
}