body, #page_margins {
	background-image: url(background.png);
	background-repeat: repeat-y;
	background-position: center;
}

#header { 
	background-image: url(header.png);
	background-repeat: no-repeat;
	background-position: center top;
}
#nav { 
	background-image: url(visual.jpg);
	background-repeat: no-repeat;
	background-position: center top;
}
#main {
	background-image: url(main.png);
	background-repeat: no-repeat;
	background-position: center top;
}