.bg {
	background-color: #E2E2E2;
	background-image: url(images/bg.jpg);
	background-repeat: repeat-x;
}
.centerbg {
	background-attachment: fixed;
	background-image: url(images/bg_gear.gif);
	background-repeat: no-repeat;
	background-position: center top;
}
.bottombg {
	background-image: url(images/home_10.jpg);
	background-repeat: no-repeat;
	background-position: center bottom;
	background-attachment: fixed;

}