#menu{
margin: 0; 
padding: 0;
}

#menu li{
list-style-type: none; 
float: left; 
width: 107px;
height: 22px;
margin: 1px; 
padding: 0;
text-align:center;

}

#menu li a{
display: block; 
width: 107px;
height: 19px;
padding-top:3px;
background-image:url(img/tab-off.gif);
background-repeat:no-repeat;

font-family:Geneva, Arial, Helvetica, sans-serif;
color:#FFFFFF;
text-decoration:none;
font-size:13px;

}

#menu li a:hover{
background-image:url(img/tab-on.gif);
background-repeat:no-repeat;
}