ho praticamente risolto pero fa dei capricci con firefox

comunque il codice è

td.menu a{
font-family: "Century Gothic", Arial;
color: #FFFFFF;
text-decoration: none;
text-transform: uppercase;
font-size: 9pt;
display: block;
background-color: #6D6C6B;
}

td.menu a:hover{
font-family: "Century Gothic", Arial;
color: #FFFFFF;
text-decoration: none;
text-transform: uppercase;
font-size: 9pt;
background-color: #FF7900;
height: 26px;
padding: 4px,0;
}


questo è il codice del menu

<table width="770" height="26" border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
<tr>

<td width="48" height="26" background="immag/rett_arancio.jpg"></td>
<td width="2" height="26"></td>
<td width="335" height="26" bgcolor="#6D6C6B"></td>
<td width="2" height="26"></td>
<td width="88" height="26" align="center" bgcolor="#6D6C6B" class="menu">COMPANY</td>
<td width="2" height="26"></td>
<td width="89" height="26" align="center" bgcolor="#6D6C6B" class="menu">PRODOTTI</td>
<td width="2" height="26"></td>
<td width="58" height="26" align="center" bgcolor="#6D6C6B" class="menu">NEW</td>
<td width="2" height="26"></td>
<td width="60" height="26" align="center" bgcolor="#6D6C6B" class="menu">info</td>
<td width="2" height="26" ></td>
<td width="78" height="26" align="center" bgcolor="#6D6C6B" class="menu">CONTATTI</td>
</tr>
</table>