spiritosonee...hahahah
vi posto l'intero codice cos' magari lo esaminiamo insieme.....:
(mi da errore su : while($records = mysql_fetch_row($result)){ )


<?php
if (!isset($_SERVER['PHP_AUTH_USER'])){
header('WWW-Authenticate: Basic realm="Il mio sito"');
header('HTTP/1.0 401 Unauthorized');
echo 'Autenticazione fallita';
exit;
}
else {
echo "<center>";
echo "<h1><font color=red>Benvenuto {$_SERVER['PHP_AUTH_USER']}</font></h1>";
echo "</center>";
}
?>
<html>
<head>
<style type="text/css">
@import "index.css";
</style>
<SCRIPT type="text/JavaScript">
function calcolatotale(){


var x =3;
var totale = 0;
var iva = 0;

for(h=0; h<x; h+=1){
if(document.mioform.radio[h].checked){
var y = document.mioform.radio[h].value;
y = parseFloat(y);
totale = totale + y;
}
if(document.mioform.elements["check"+h].checked){
var spedizione = document.mioform.elements["check"+h].value;
spedizione = parseFloat(spedizione);
totale = totale + spedizione;
iva = [(totale) * 4 ] / 100;
}
if(document.mioform.elements["Q"+h].value){
var k = document.mioform.elements["Q"+h].value;
var varspan = document.getElementsByTagName("span");
var x = varspan[h].innerHTML;
k =parseFloat(k);
x =parseFloat(x);
var totparz = x * k;
document.mioform.elements["T"+h].value = totparz;
totale = totale + totparz;
iva = [(totale) * 4 ] / 100;

}
if(document.mioform.elements["Q"+h].value == ""){
document.mioform.elements["T"+h].value = "";
}
document.mioform.totale.value = totale;
document.mioform.iva.value = iva;

}



document.mioform.totale.value = totale;
document.mioform.iva.value = iva;

}

</SCRIPT>
</head>
<body>
<form method="Post" action=preventivo-index.php name=mioform>
<center><table border=5>
<tr><th align="center" colspan=2>OPZIONI</th></tr>
<tr><td width=35%><table rules=none frame=void>
<tr><th align="center" colspan=3>ACCESSORI</th></tr>
<?php
$db = mysql_connect("localhost","","") or die("Impossibile connettersi al database!");
mysql_select_db("my_pedrosque");
$query= "SELECT * FROM ACCESSORI";
$result = mysql_query($query,$db);
$i=0;
while($records = mysql_fetch_row($result)){
echo "<tr><td align=left><font color=green>$records[1]</font></td><td><input type='checkbox' name='check{$i}' value=$records[2] onClick='calcolatotale()'></input></td><td align=left>$records[2]</td></tr>";
$i++;
}
?>



</table>


</td>
<td width=65% align="center" rowspan=2>
<table rules=none frame=void>
<tr><th align="center" colspan=4>VINI</th></tr>
<tr><th align="center">VINO</th><th align="center">PREZZO</th><th align="center">Q.TA'</th><th align="center">TOT.PARZ. </th></tr>
<?php
$db = mysql_connect("pedrosque.altervista.org","","");
mysql_select_db("my_pedrosque",$db);
$query= "SELECT * FROM VINI";
$result = mysql_query($query,$db);
$i=0;
while($rec = @mysql_fetch_row($result)){
echo "<tr><td align=left><font color=green>$rec[1]</font></td><td align=left><span>$rec[2]</span></td><td align=center><input type='text' size=2 name='Q{$i}' onChange='calcolatotale()'></input></td><td align=center><input type='text' name='T{$i}' size=5></input></tr>";
$i++;
}
?>


<tr><th colspan=3 align=right>IVA 4%</th><td align=center><input type=text name="iva" size=5 readonly value=0></td></tr>
<tr><th colspan=3 align=right>TOTALE</th><td align=center><input type=text name="totale" size=5 readonly value=0></td></tr>

</table>
</td>
</tr>

<tr><td width=35%><table rules=none frame=void>
<tr><th align="center" colspan=3>SPEDIZIONE</th><tr>
<tr><td align="left"><font color=green>Posta celere 3</font></td><td align="left"><input type="radio" name=radio value=6,00 onClick='calcolatotale()'>6,00</input></td></tr>
<tr><td align="left"><font color=green>Posta celere 1</font></td><td align="left"><input type="radio" name=radio value=9,00 onClick='calcolatotale()'>9,00</input></td></tr>
<tr><td align="left"><font color=green>Assicurata</font></td><td align="left"><input type="radio" name=radio value=5,00 name=radio onClick='calcolatotale()'>5,00</input></td></tr>
</table>
</td>
</tr>


</table></center>
<center><input type="reset" value="reset" name="reset"></input><input type="submit" value="creaPreventivo" name="creaPreventivo"></input></center>



</form>
</body>
</html>




ripeto che in locale mi funziona....ma ora che l'ho messo sul web mi da qst errore......
spero possiate aiutarmi
thx