#main_nav_list a.main_nav_item_1 {
				   background: url(img8.png) no-repeat;

				}
				#main_nav_list a.main_nav_item_1:hover {
				   background: url(img1.png) no-repeat;

				}
			#main_nav_list a.main_nav_item_2 {
				   background: url(img2.png) no-repeat;

				}
				#main_nav_list a.main_nav_item_2:hover {
				   background: url(img3.png) no-repeat;

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

				}
			#main_nav_list a.main_nav_item_4 {
				   background: url(img6.png) no-repeat;

				}
				#main_nav_list a.main_nav_item_4:hover {
				   background: url(img7.png) no-repeat;

				}