Ciao ragazzi , non rieso a modificare questo script !! vi spiego.....

sto tentando di fare un form che faccia dei calcol: io ho un valore fisso e una quantità editabile, lui calcola la quantità per il valore e mi da la cifra esatta. Poi viene aggiunto un altro valore fisso e calcola il totale precedentemente ottenuto con il valore appena aggiunto e mi da il totale. Fino a qui funziona , io vorrei inserire un radiobutton che selezionato da solo valga per esempio 3 e selezionato insieme ad altri elementi valga 1!!

So di essermi spiegato male anche sta volta per questo allego la pagina .htm e mi affido alle vostre mani esperte....

Grazie del supporto


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>## ##</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript" type="text/JavaScript">
<!--



function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->
</script>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript">
<!--
function YY_CalculateForm() { //v3.03
//copyright (c)1999-2001 Yaromat.com
var args=YY_CalculateForm.arguments;
var myResult=""; var myField="0";
if (document.all){eval("args[0]=args[0].replace(/.layers/gi, '.all');");}
for (var i=3; i<args.length; i++){
if(args[i].charAt(0)!="#"){
myResult=myResult+args[i];
}else{
myField=eval(args[0]+'.'+ args[i].substring(1)+'.value'); if(myField=="")myField="0";
myResult=myResult+myField;
}
}
with (Math) {
var myExpo = pow(10, args[2]);
var myResult = round(myExpo*eval(myResult)/1)/myExpo+"";
myResult += (myResult.indexOf('.')==-1)?".":"";
var missingZ = (args[2] - myResult.length + myResult.indexOf('.') + 1);
for (var i=0; i<missingZ; i++){ myResult += "0" }
}
var myReturn = eval(args[0]+'.'+args[1]);
myReturn.value = myResult;
}
//-->
</script>
<link href="file:///iPod/TheXite%20Lab./Manattahncafe.it%20(IN%20WORKS)/theXite/stile.css" rel="stylesheet" type="text/css">
</head>

<body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<table width="760" border="0" cellpadding="0" cellspacing="0">
<tr>
<td><table width="760" border="0" align="center" cellpadding="0" cellspacing="0" class="testoform">
<tr valign="top">
<td><form action="mailto:luca@naturalmedia.it?subject=MODULO-ORIDNE-PANINI" method="post" enctype="text/plain" name="lista" >
<table width="750" border="0" align="left" cellpadding="0" cellspacing="5" class="testoform">
<tr>
<td height="1" colspan="4"></td>
</tr>
<tr>
<td colspan="4"><font size="2" face="Arial, Helvetica, sans-serif"><font color="#FFFFFF">::</font>AFFETTATI</font></td>
</tr>
<tr>
<td width="19"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
<input name="prz_crudo" type="hidden" id="prz_crudo" value="0.20">
</font>
</td>
<td width="548" valign="bottom"><font color="#000000">Crudo</font>

</td>
<td width="78" align="center" valign="top"> <div align="center"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
<input type="radio" name="n_crudo" onBlur="YY_CalculateForm('document.lista','#n_crud o','*','#prz_crudo')" value="2.00" >
</font>
</div></td>
<td width="80" align="center" valign="top"></td>
</tr>
<tr>
<td height="1" colspan="4"> <div align="center"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
</font>
</div>
<div align="center"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
</font>
</div></td>
</tr>
<tr>
<td colspan="4"><font size="2" face="Arial, Helvetica, sans-serif"><font color="#FFFFFF">::</font>SALSE</font></td>
</tr>
<tr>
<td></td>
<td></td>
<td valign="top"></td>
<td valign="top"></td>
</tr>
<tr>
<td><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
<input name="prz_quanti" type="hidden" id="prz_quanti" value="3.40">
</font>
</td>
<td><font color="#FF0000">QUANTITA</font></td>
<td valign="top"><div align="right"><font color="#000000"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
<input name="n_quanti" type="text" id="n_quanti" onBlur="YY_CalculateForm('document.lista','sbt_qua nti','2','#n_quanti','*','#prz_quanti')" value="0" size="8" maxlength="2">
</font>
</font></div></td>
<td valign="top"><div align="right"><font color="#000000"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
<input name="sbt_quanti" type="text" id="sbt_quanti" value="0.00" size="8" maxlength="2">
</font>
</font></div></td>
</tr>
<tr>
<td></td>
<td></td>
<td valign="top"></td>
<td valign="top"></td>
</tr>
<tr>
<td height="1" colspan="4"> <div align="center"></div>
<div align="center"></div></td>
</tr>
<tr bgcolor="#FFFFFF">
<td width="19"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
</font>
</td>
<td width="548" valign="bottom"><font color="#000000" face="Arial, Helvetica, sans-serif">Costo
fisso di consegna</font><font color="#000000" size="4" face="Arial, Helvetica, sans-serif"><font size="5">
<font size="2">1,50 &euro;</font></font><font size="2"> </font>
</font><font size="4" face="Arial, Helvetica, sans-serif"><font size="2" color="#FFFFFF" face="Arial, Helvetica, sans-serif">



</font><font size="4" face="Arial, Helvetica, sans-serif"><font size="2" color="#FFFFFF" face="Arial, Helvetica, sans-serif">
<input type="button" name="calc" value="calcola totale" onClick="YY_CalculateForm('document.lista','totale ','2','#sbt_quanti','+','1.50')">
</font><font size="4" face="Arial, Helvetica, sans-serif"><font size="2" color="#FFFFFF" face="Arial, Helvetica, sans-serif">
...
<input name="Cancella" type="reset" id="Cancella" onClick="YY_CalculateForm('document.lista','totale ','2','#sbt_quanti','+','1.50')" value="cancella">
</font>
</font><font size="2" color="#FFFFFF" face="Arial, Helvetica, sans-serif"></font>
</font><font size="2" color="#FFFFFF" face="Arial, Helvetica, sans-serif">



<input type="text" name="totale" maxlength="20" value="0.00">
</font><font size="5"><font size="2">

</font></font>
</font>
</td>
<td width="78" align="center" valign="middle"> <div align="right"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
</font>
</div></td>
<td width="80" align="center"> <div align="right"><font face="Arial, Helvetica, sans-serif" size="2" color="#FFFFFF">
</font>
</div></td>
</tr>
</table>
</form></td>
</tr>
</table></td>
</tr>
</table>
</body>
</html>