#extraContainer1 {
	background-attachment:fixed; /*add this*/
	width: 100%; 
    height: 100%; 
    position: fixed; 
    left: 0px; 
    top: 0px; 
    z-index: 0;
    margin: 0;
    padding: 0;
}

#extraContainer1 img {
	width: 100%;
	height: 100%;
	padding: 0;
	margin: 0;
}