.bg_sx {
	background-image: url(../images/layout/bg_sx.jpg);
}
.bg_central {
	background-image: url(../images/layout/bg_central.jpg);
}
.bg_menu {
	background-image: url(../images/layout/bg_menu.jpg);
	line-height: 60px;
}
.bg_menu2 {
	background-image: url(../images/layout/hp_r2_c1.jpg);
	line-height: 60px;
}