#overlay {
            position: absolute;
            top: 0;
            bottom: 0;
            background: #999;
            width: 100%;
            height: 100%;
            opacity: 0.8;
            z-index: 100;
        }
        #popup {
            position: absolute;
            left: 50%;
			top: 10px;
            background: #222;
            width: 300px;
            height: 200px;
			text-align:center;
            margin-left: -150px; /*Half the value of width to center div*/
            /*Half the value of height to center div*/
            z-index: 200;
        }
		#popupclose {
			
			position:absolute;
			right:5px;
			top: 5px;
			width:17px;
			height: 17px;
			text-align:center;
			background-color:#ff0000;
			
		}
		#popupcontent {
			
			width:300px;
			text-align:center;
		}