div#menu{position:absolute;width:969px;margin:17px auto;}
div#menu ul{list-style-type: none;margin: 0;padding: 0}
div#menu li{float:left;margin:0 2px 0 0; padding:0;}
div#menu a{position:relative;display:block;height: 105px}
div#menu a span{position:absolute;width:100%;height:100%;cursor: pointer; /*per IE*/ }
div#menu a:hover{color: #369 /*per IE*/}
div#menu a:hover span{background-position: -131px 0}
div#menu a#current span{background-position: -131px 0}


li#one a{width: 131px}
li#two a{width: 131px}
li#three a{width: 131px}
li#four a{width: 131px}
li#five a{width: 131px}
li#six a{width: 131px}

li#one span{background:url("img/homeint.png") no-repeat}
li#two span{background: url("img/aziendaint.png") no-repeat}
li#three span{background: url("img/prodottiint.png") no-repeat}
li#four span{background: url("img/serviziint.png") no-repeat}
li#five span{background: url("img/offerteint.png") no-repeat}
li#six span{background: url("img/contattiint.png") no-repeat}