ul#nav {float: left; width: 567px;}
ul#nav li {float: left;}

ul#nav li.aempresa a {width: 96px; background-image: url(../i/mn_aempresa.gif);}
ul#nav li.solucoes a {width: 69px; background-image: url(../i/mn_solucoes.gif);}
ul#nav li.produtos a {width: 71px; background-image: url(../i/mn_produtos.gif);}
ul#nav li.clientes a {width: 68px; background-image: url(../i/mn_clientes.gif);}
ul#nav li.faleconosco a {width: 108px; background-image: url(../i/mn_faleconosco.gif);}
ul#nav li.pesquisas a {width: 155px; background-image: url(../i/mn_pesquisas.gif);}

ul#nav li a {float: left; height: 23px; text-decoration: none; text-indent: -5000px;}

ul#nav li a.selected {background-position: 0 -23px;}