Ok, allora questo è il codice generato da fckeditor:
codice:
 <table height="100%" cellspacing="0" cellpadding="0" width="100%" border="0">
    <tbody>
        <tr>
            <td valign="top" align="center" height="100%"><script Language="JavaScript" Type="text/javascript"><!--

function calcolatotale() {

var a = document.forms[0].componenti.options[document.forms[0].componenti.selectedIndex].text;
var b = parseFloat(document.getElementById('quotacomplessiva').value);
var c = parseFloat(document.getElementById('quotaindividuale').value);
var d = parseFloat(document.getElementById('quotafacoltativa').value);
var e = a * c;
var f = a * d;
if (document.forms[0].Itm_8_00_4_sub_1.checked == false)
{
var g = (Math.round(b*100) + Math.round(e*100)) / 100;
document.forms[0].totale.value= parseFloat(g).toFixed(2).replace('.','.');
}
else {
var h = (Math.round(b*100) + Math.round(e*100) + Math.round(f*100)) / 100;
document.forms[0].totale.value= parseFloat(h).toFixed(2).replace('.','.');
}
}


//--></script>
            <form language="JavaScript" action="file.php" method="post" enctype="multipart/form-data" onclick="calcolatotale(this);" onchange="calcolatotale(this);">
                <table style="FONT: 8pt Century; COLOR: #000080" cellspacing="4" cellpadding="0" width="560" align="center" border="0">
                    <tbody>
                        <tr>
                            <td>Numero di Componenti: <select id="componenti" onchange="calcolatotale();" name="componenti">
                            <option selected="selected">1</option>
                            <option>2</option>
                            <option>3</option>
                            <option>4</option>
                            <option>5</option>
                            <option>6</option>
                            <option>7</option>
                            <option>8</option>
                            <option>9</option>
                            <option>10</option>
                            </select> </td>
                        </tr>
                        <tr>
                            <td><label for="Itm_26"><hr align="center" noshade="noshade" size="1" />
                            Quota complessiva &euro; <input id="quotacomplessiva" style="BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; FONT-WEIGHT: normal; FONT-SIZE: 8pt; BORDER-LEFT: 1px solid; WIDTH: 50px; COLOR: #000000; BORDER-BOTTOM: 1px solid; FONT-STYLE: normal; FONT-FAMILY: Century; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right; FONT-VARIANT: normal" readonly="readonly" name="quotacomplessiva" value="10.00" type="text" /> </label></td>
                        </tr>
                        <tr>
                            <td>Quota individuale per ogni componente &euro; <input id="quotaindividuale" style="BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; FONT-WEIGHT: normal; FONT-SIZE: 8pt; BORDER-LEFT: 1px solid; WIDTH: 50px; COLOR: #000000; BORDER-BOTTOM: 1px solid; FONT-STYLE: normal; FONT-FAMILY: Century; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right; FONT-VARIANT: normal" readonly="readonly" name="quotaindividuale" value="3.00" type="text" /> </td>
                        </tr>
                        <tr>
                            <td>Quota facoltativa per ogni componente &euro; <input id="quotafacoltativa" style="BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; FONT-WEIGHT: normal; FONT-SIZE: 8pt; BORDER-LEFT: 1px solid; WIDTH: 50px; COLOR: #000000; BORDER-BOTTOM: 1px solid; FONT-STYLE: normal; FONT-FAMILY: Century; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right; FONT-VARIANT: normal" readonly="readonly" name="quotafacoltativa" value="5.00" type="text" /> <label for="Itm_8_00_4_sub_1"><input id="Itm_8_00_4_sub_1" type="radio" checked="checked" name="Itm_8_00_4" value="Si" />Si </label><label for="Itm_8_00_4_sub_2"><input id="Itm_8_00_4_sub_2" type="radio" name="Itm_8_00_4" value="No" />No </label></td>
                        </tr>
                        <tr>
                            <td><center>TOTALE &euro; <input id="totale" style="WIDTH: 100px; TEXT-ALIGN: right" readonly="readonly" name="totale" value="18.00" type="text" /> </center></td>
                        </tr>
                    </tbody>
                </table>
                <center><input style="BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; FONT: 8pt Century; BORDER-LEFT: 1px solid; COLOR: #000000; BORDER-BOTTOM: 1px solid; BACKGROUND-COLOR: #c0c0c0" type="submit" value="  Invia  " /></center>
            </form>
            </td>
        </tr>
    </tbody>
</table>