.fblbCenterOuter {

	position: fixed;

	display: block;

	top: 50%;

	height: auto;

	overflow: visible;

}

/*

.fblbCenterInner {

	margin-top: expression( -this.clientHeight / 2 +"px");

}

*/

/* fixed top */



.fblbCenterOuter.fblbFixed {

	position: fixed;

	display: block;

	top: 0;

	height: auto;

	overflow: visible;

}



.fblbFixed .fblbCenterInner {

	margin-top: 0;

}