#layerBg
{
	background-color:#acacac;
    FILTER: alpha(opacity=50);
    LEFT: 0px;
    WIDTH: 100%;
    POSITION: absolute;
    TOP: 0px;
    HEIGHT:100%;
    opacity: 0.5;
    display:none;
}
#layerBox
{
	display:none;
	position:absolute;
	top:30%;
	left:40%;
	z-index:1;
	background-color:#ffffff;
}