.back001 {
	background-image: url(../imgs/background.jpg);
	background-repeat: repeat-x;
}
.back002 {
	background-image: url(../imgs/back_table.jpg);
	background-repeat: no-repeat;
}
.back003 {
	background-image: url(../imgs/background001.jpg);
	background-repeat: repeat-x;
}