.overlay {
    width: 100%;
    min-height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 500;
    background: url('../images/overlay.png') repeat 0 0;
    display: none;
    text-align: center;
	background-color:#999999;
	opacity:0.5;
	filter:alpha(opacity=50)
}

#overlay-panel {
    margin: 10% auto 0 auto;
    width: 350px;
    background: #FFF;
}

/** ie6 and below only **/
.overlay {
    background-image: url('../images/overlay-ie6.png');
    height: 100%;
    position: absolute;
}