a.about_ems {
		display: block;
   		width: 260px;
   		height: 29px;
		background: url("../gfx/menu/about_ems.jpg") 0 0 no-repeat;
    		text-decoration: none;
    		margin-bottom: 4px;
		}
	a:hover.about_ems {
		background-position: 0 -30px;
		}


	a.products_services {
		display: block;
   		width: 260px;
   		height: 29px;
		background: url("../gfx/menu/products_services.jpg") 0 0 no-repeat;
    		text-decoration: none;
    		margin-bottom: 4px;
		}
	a:hover.products_services {
		background-position: 0 -30px;
		}


	a.news {
		display: block;
   		width: 260px;
   		height: 29px;
		background: url("../gfx/menu/news.jpg") 0 0 no-repeat;
		background-position: 0 -30px;
    		text-decoration: none;
    		margin-bottom: 4px;
		}
	a:hover.news {
		background-position: 0 0;
		}


	a.careers {
		display: block;
   		width: 260px;
   		height: 29px;
		background: url("../gfx/menu/careers.jpg") 0 0 no-repeat;
    		text-decoration: none;
    		margin-bottom: 4px;
		}
	a:hover.careers {
		background-position: 0 -30px;
		}


	a.contact_us {
		display: block;
   		width: 260px;
   		height: 29px;
		background: url("../gfx/menu/contact_us.jpg") 0 0 no-repeat;
    		text-decoration: none;
    		margin-bottom: 4px;
		}
	a:hover.contact_us {
		background-position: 0 -30px;
		}