#main_nav_list a#main_nav_item1 {
				   background: url(img14.png) no-repeat;

				}
				#main_nav_list a#main_nav_item1:hover {
				   background: url(img15.png) no-repeat;

				}
			#main_nav_list a#main_nav_item4 {
				   background: url(img1.png) no-repeat;

				}
				#main_nav_list a#main_nav_item4:hover {
				   background: url(img2.png) no-repeat;

				}
			#main_nav_list a.main_nav_active_item {
				   background: url(img20.png) no-repeat;

				}
			.sub_nav_list a.sub_nav_item7 {
				   background: url(img21.png) no-repeat;

				}
				.sub_nav_list a.sub_nav_item7:hover {
				   background: url(img22.png) no-repeat;

				}