.bg {	font-family: Arial, Helvetica, sans-serif;	background-color: #F2F2F2;	background-repeat: repeat;}.bg1 {	background-image: url(img/left_top_bg.jpg);	background-repeat: no-repeat;}.bg2 {	background-image: url(img/left_top_bg2.jpg);	background-repeat: no-repeat;}.bg3 {	background-image: url(img/left_top_bg3.jpg);	background-repeat: no-repeat;}.bg4 {	background-image: url(img/left_top_bg4.jpg);	background-repeat: no-repeat;	background-color: #f2f2f2;}.bg5 {	background-image: url(img/left_top_bg5.jpg);	background-repeat: repeat-x;}