Hola de nuevo
Ahí te envío 1º el fotmulario y 2 el scrip.
un saludo.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>validatodoeste</title>
<script>
function valida_envia(){
var cuentaChecked=0;
for(var i=0;i<fvalida.elements.length;i++) {
if(fvalida.elements[i].checked) {
cuentaChecked+=1;
}
}
if(cuentaChecked == 0) {
window.alert("Por favor Seleccione al menos una Provincia");
document.fvalida.todos.focus()
return false;
}
//valido el Email
if (document.fvalida.Email.value.indexOf('@')== -1){
alert("Por favor Escriba su E-Mail Correcto")
document.fvalida.Email.focus()
return 0;
}
//el formulario se envia
alert("Muchas gracias por enviar el formulario");
document.fvalida.submit();
}
</script>
</head>
<body topmargin="0" leftmargin="0">
<form name="fvalida" method="POST" action="contactform2.php">
<input type="hidden" name="rec_mailto" value="
[email protected]"><input type="hidden" name="rec_subject" value="Nueva Solicitud desde su Formulario"><input type="hidden" name="rec_thanks" value="thanks.php">
<table border="0" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td width="100%" align="left" colspan="2"> &n bsp; &nbs p; <font size="4">   ;
1.- Datos del la Solicitud: </font></td>
</tr>
<tr>
<td width="29%" align="right"></td>
<td width="71%"></td>
</tr>
<tr>
<td width="100%" align="center" colspan="2">
<p align="center"><font size="3">Elija el Vehículo</font></p>
</td>
</tr>
<tr>
<td width="100%" align="center" colspan="2"></td>
</tr>
<tr>
<td width="100%" align="center" colspan="2">
<p align="center"><font size="2"> "Para Elegir Todas marque
Aquí" <input type="checkbox" onclick="marcar(this)" value="0" name="todos">
El total es: <input type="text" name="total" size="9"></font></p>
</td>
</tr>
<tr>
<td width="100%" align="center" colspan="2"> </td>
</tr>
<tr>
<td width="100%" align="center" colspan="2">
<script language="JavaScript" type="text/javascript">
var c=new Array('Mercedes','Renault','Citroen','Volvo','Ford ');
function marcar(check){
for(z=0;z<c.length;z++){
document.forms[0][c[z]].checked=check.checked;
}
calcular();
}
function calcular(){
tt=0;
for(z=0;z<c.length;z++){
tt+=(document.forms[0][c[z]].checked)?parseFloat(document.forms[0][c[z]].value):0;
}
document.forms[0]['total'].value=formatCurrency(tt);
}
function formatCurrency(num)
{
num = num.toString().replace(/\€|\,/g,'');
if(isNaN(num))
num = "0";
cents = Math.floor((num*100+0.5)%100);
num = Math.floor((num*100+0.5)/100).toString();
if(cents < 10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+'.'+num.substring(num.length-(4*i+3));
return (num + "," + cents+ " €" );
}
</script>
<div align="center">
<center>
<table border="0" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td width="107" align="center"></td>
<td width="107" align="center">
<p align="left"><font size="2"><input onclick="calcular()" type="checkbox" value="10.20" name="Mercedes" value="Mercedes">Mercedes</font></td>
<td width="108" align="center">
<p align="left"><font size="2"><input onclick="calcular()" type="checkbox" value="10.20" name="Renault" value="Renault">Renault</font></td>
<td width="108" align="center">
<p align="left"><font size="2"><input onclick="calcular()" type="checkbox" value="10.20" name="Citroen" value="Citroen">Citroen</font></td>
<td width="108" align="center">
<p align="left"><font size="2"><input onclick="calcular()" type="checkbox" value="10.20" name="Volvo" value="Volvo">Volvo</font></td>
<td width="108" align="center">
<p align="left"><font size="2"><input onclick="calcular()" type="checkbox" value="10.20" name="Ford" value="Ford">Ford</font></td>
<td width="108" align="center"></td>
</tr>
<tr>
<td width="754" align="center" colspan="7"></td>
</tr>
<tr>
<td width="100%" align="center" colspan="7">
<hr color="#002F5E" align="center">
</td>
</tr>
</center>
<tr>
<td width="100%" align="center" colspan="7">
<p align="left"></td>
</tr>
</table>
</div>
</td>
</tr>
<tr>
<td width="29%" align="right"><span class="producto_dato"><font size="2">Nombre
o Razón Social: </font></span></td>
<td width="71%"><font size="2"><input name="Nombre" type="text" size="35"></font></td>
</tr>
<tr>
<td width="29%" align="right"></td>
<td width="71%"></td>
</tr>
<tr>
<td width="29%" align="right"><span class="producto_dato"><font size="2">Teléfonos
de Contacto: </font></span></td>
<td width="71%"><font size="2"><input name="Telefono" type="text" size="10" maxlength="9">
- </font><span class="producto_dato"><font size="2">Email: </font></span><font size="2"><input name="Email" type="text" size="30"></font><span class="producto_dato"><font size="2"> </font></span></td>
</tr>
<tr>
<td width="29%" align="right"></td>
<td width="71%"></td>
</tr>
<tr>
<td width="29%" align="right"></td>
<td width="71%">
<p align="left"><font size="2">Descripción de productos y servicios:</font></p>
</td>
</tr>
<tr>
<td width="29%" align="right"></td>
<td width="71%"><font size="2"><textarea name="Texto" cols="35" rows="5"></textarea></font></td>
</tr>
<tr>
<td width="29%" align="right"></td>
<td width="71%"></td>
</tr>
</table>
<blockquote>
<blockquote>
<blockquote>
<blockquote>
<blockquote>
<blockquote>
<blockquote>
<p align="center"><font face="Arial" size="2" color="#336699"><b><input type="button" name="Submit" value="Enviar" onclick="valida_envia()"></b></font></p>
</blockquote>
</blockquote>
</blockquote>
</blockquote>
</blockquote>
</blockquote>
</blockquote>
</form>
</body>