#topbox * {     margin: 0;padding: 0;}		#screenoverlay {	position: fixed;	_position: absolute; 	left: 0px;	top: 0px;  	width: 100%;	height: 100%;	background-color: #CCCCFF; 	opacity: .75;	filter: alpha(opacity=75);  	z-index: 1000;	display: none;        }#topbox {background-color:#FFFFFF;border:4px double gray;display: none;height:400px;left:20%;line-height:inherit;padding:5px;position:absolute;top:20%;width:60%;z-index:1001;}iframe { overflow-x: hidden; overflow-y: auto; }