#main_nav_list a#main_nav_item1 {
				   background: url(img30.png) no-repeat;

				}
				#main_nav_list a#main_nav_item1:hover {
				   background: url(img31.png) no-repeat;

				}
			#main_nav_list a#main_nav_item22 {
				   background: url(img2.png) no-repeat;

				}
				#main_nav_list a#main_nav_item22:hover {
				   background: url(img3.png) no-repeat;

				}
			#main_nav_list a#main_nav_item13 {
				   background: url(img4.png) no-repeat;

				}
				#main_nav_list a#main_nav_item13:hover {
				   background: url(img5.png) no-repeat;

				}
			#main_nav_list a.main_nav_active_item {
				   background: url(img46.png) no-repeat;

				}
			#main_nav_list a#main_nav_item21 {
				   background: url(img8.png) no-repeat;

				}
				#main_nav_list a#main_nav_item21:hover {
				   background: url(img9.png) no-repeat;

				}
			#main_nav_list a#main_nav_item17 {
				   background: url(img10.png) no-repeat;

				}
				#main_nav_list a#main_nav_item17:hover {
				   background: url(img11.png) no-repeat;

				}
			.sub_nav_list a.sub_nav_item4 {
				   background: url(img47.png) no-repeat;

				}
				.sub_nav_list a.sub_nav_item4:hover {
				   background: url(img48.png) no-repeat;

				}
			.sub_nav_list a.sub_nav_item18 {
				   background: url(img49.png) no-repeat;

				}
				.sub_nav_list a.sub_nav_item18:hover {
				   background: url(img50.png) no-repeat;

				}
			.sub_nav_list a.sub_nav_item19 {
				   background: url(img51.png) no-repeat;

				}
				.sub_nav_list a.sub_nav_item19:hover {
				   background: url(img52.png) no-repeat;

				}