#cover
{
	display:none;
	position:absolute;
	left:0px;
	top:0px;
	width:100%;
	height:100%;
	background:gray;
	filter:alpha(Opacity=50);
	opacity:0.5;
	-moz-opacity:0.5;
	-khtml-opacity:0.5
}
#dialog
{
	display:none;
	top:50%;
	left:50%;
	width:300px;
	height:300px;
	margin-left: -150px;
	margin-top: -150px;
	position:absolute;
	z-index:100;
	padding:0px;
	border:0px;
}