.back {
	BACKGROUND-POSITION: center top; BACKGROUND-ATTACHMENT: scroll; BACKGROUND-IMAGE: url(../img/back.jpg); BACKGROUND-REPEAT: repeat-x
}
.left {
	BACKGROUND-POSITION: left bottom; BACKGROUND-ATTACHMENT: scroll; BACKGROUND-IMAGE: url(../img/img_02.jpg); BACKGROUND-REPEAT: no-repeat
}
.right {
	BACKGROUND-POSITION: right bottom; BACKGROUND-ATTACHMENT: scroll; BACKGROUND-IMAGE: url(../img/img_04.jpg); BACKGROUND-REPEAT: no-repeat
}