#main_nav_list a#main_nav_item1 {
				   background: url(img42.png) no-repeat;

				}
				#main_nav_list a#main_nav_item1:hover {
				   background: url(img43.png) no-repeat;

				}
			#main_nav_list a.main_nav_active_item {
				   background: url(img44.png) no-repeat;

				}