#menu {
    position: absolute;
    left: 50%;
    margin-top: 8px;    /*se IE 6*/
    *margin-top: 6px;
    margin-left: -260px;
    width: 730px;
    border:0px solid;
    z-index:200;
    height:30px;
    text-align:center;
  border-collapse:collapse;
  border-spacing: 0px;
}
#menu tr{
  height:30px;
}
#menu a{
	text-decoration:none;
    vertical-align:middle;
	font-size: 14px;
  font-family: "Trebuchet MS", tahoma, Verdana;
    color:#3f3d3d;
}
#selected{
  background-image:url(selezione.png);
  background-repeat:repeat-x;
  border-left:1px solid silver;
  border-right:1px solid silver;
  border-top:1px solid silver;
}
#menu a:visited{
  color:#3f3d3d;
}