.background {
	background-attachment: scroll;
	background-image: url(images/back.jpg);
	background-repeat: repeat;
}
.logo {
	background-image: url(images/logo.gif);
	background-repeat: no-repeat;
	background-position: right bottom;
}
.bgwelcome {
	background-attachment: fixed;
	background-image: url(images/index.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}