Ahí el scrip
<?
// ################################################## ##
//
$from_address = "
[email protected]";
// ################################################## ##
// ################################################## ##
// #### ACTIVATE REQUIRED FIELDS? ############################################
// THIS AREA IS OPTIONAL. ONLY TOUCH THESE SETTINGS IF YOU KNOW WHAT YOU ARE
// DOING. PLEASE READ README.TXT FOR MORE INFORMATION.
//
// If you would like to make some fields of your form required, change "no" to
// "yes" below.
$required_on = "yes";
// If you have set $required_on to "yes" above, you can make fields required
// by beginning their name with "r_". For example, if you want to require
// a user to enter their name, use the following HTML:
//
// <input type='text' name='r_Name'>
//
// If a user fails to enter a required field, they will be taken to a page
// where a message such as "You have not completed all the required fields."
// will be displayed. Please specify the URL to this file below:
$required_errorpage = "error.php";
// ################################################## ##
// ################################################## ##
// #### OVERRIDE REQUIRED VARIABLES? #########################################
// THIS AREA IS OPTIONAL. ONLY TOUCH THESE SETTINGS IF YOU KNOW WHAT YOU ARE
// DOING. PLEASE READ README.TXT FOR MORE INFORMATION. NOTE: THIS WILL NOT
// AFFECT YOUR 'TURN ON REQUIRED FIELDS?' SECTION SETTINGS ABOVE.
//
// If you would like to override the three required variables in
// order to hide your email address, email subject, and thank you page
// URL from your email form, change "no" to "yes" below.
$override = "no";
// If override is set to "yes", the hidden variables on your HTML
// email form named "rec_mailto", "rec_subject", and "rec_thanks" will be
// overridden and can therefore be removed from the form.
// If you have set override to "yes" above, you must specify new values for
// each of these variables below.
// Enter the email address(es) to send the email to.
$incoming_mailto = "
[email protected]";
// Enter the email subject.
$incoming_subject = "Tiene un nuevo mensaje desde Su Formulario";
// Enter the thank you page URL.
$incoming_thanks = "thanks.php";
// ################################################## ##
################################################## ##
// #### ACTIVATE DOMAIN SECURITY? ############################################
//
$secure_domain_on = "yes";
// ################################################## ##
// ################################################## ##
// ################################################## ##
// #### ACTIVATE AUTO-RESPONSE? ##############################################
//
$autorespond_on = "yes";
// If you have set $autorespond_on to "yes" above, you must specify a subject,
// from-address, and message to include in the auto-response email.
// The following setting is the subject of the auto-response email:
$autorespond_subject = "Info!";
// The following setting is the from-address of the auto-respond email:
$autorespond_from = "
[email protected]";
// The following setting is the message of your auto-response email:
$autorespond_contents = "Estimado/a Sr. Sra: $Nombre, Gracias por su solicitud
La suma total es: $total
Acontinuación le enviamos sus datos que nos ha enviado, guarde este mensaje pues le puede necesitar para contactar con nuestra Empresa y para modificar sus datos.
------------------------
1.- Datos:*
------------------------
Nombres de los Vehículos: $Mercedes $Renault $Citroen $Volvo $Ford
------------------------
Nombre o Razón Social: $Nombre
------------------------
Telefono de Contacto: $Telefono
------------------------
Email: $Email
------------------------
Descripción de Producto o Servicio:
$Texto
*************************
Gracias";
// DynaForm also needs to know how to retrieve the user's email address.
// You must specify the name of the field into which the user will enter
// their email address. For example, if your email form contains an input
// field like "<input type='text' name='Email'>" you would set the
// following setting to "Email".
$autorespond_mailto_field = "Email";
// ################################################## ##
// ################################################## ##
// MAKE SURE DYNAFORM IS NOT BEING LOADED FROM THE URL
if($HTTP_SERVER_VARS['REQUEST_METHOD'] == "GET") {
echo "
<html>
<head><title>Contact PHP Form is installed correctly.</title></head>
<body>
<font style='font-family: verdana, arial; font-size: 9pt;'>
<b>Contact Form is installed correctly.</b></font><br>
<font style='font-family: verdana, arial; font-size: 8pt;'>
Form Easy PHP Form Mailer.
</font>
</body></html>
";
exit();
}
// SET VARIABLES
$incoming_fields = array_keys($HTTP_POST_VARS);
$incoming_values = array_values($HTTP_POST_VARS);
if($override == "no") {
$incoming_mailto = @$HTTP_POST_VARS['rec_mailto'];
$incoming_subject = @$HTTP_POST_VARS['rec_subject'];
$incoming_thanks = @$HTTP_POST_VARS['rec_thanks'];
}
$incoming_mailto_cc = @$HTTP_POST_VARS['opt_mailto_cc'];
$incoming_mailto_bcc = @$HTTP_POST_VARS['opt_mailto_bcc'];
$form_url = @$HTTP_REFERER;
// MAKE SURE DYNAFORM IS BEING RUN FROM THE RIGHT DOMAIN
if($secure_domain_on == "yes") {
$form_url_array = parse_url($form_url);
$form_domain = $form_url_array[host];
if($form_domain != $HTTP_SERVER_VARS[HTTP_HOST]) {
echo "<h2>Form Error - Invalid Domain</h2>
You have accessed Form from an external domain - this is not allowed.<br>
You may only submit forms to a Form file that exists on the same domain name.<br>
If you believe to be receiving this message in error, please refer to your readme.txt file.
<br><br>";
$error = "yes";
}
}
// CHECK IF MAILTO IS SET
if($incoming_mailto == "") {
echo "<h2>Form Error - Missing Field</h2>
Your form located at <a href='$form_url'>$form_url</a> does not work because you forgot to include
the required \"<b>rec_mailto</b>\" field within the form. This field specifies who the email will
be sent to.
<br><br>
This should look like:<br>
<input type=\"hidden\" name=\"rec_mailto\" value=\"
[email protected]\">
<br><br>
If you are still confused, please refer to the readme.txt for more information and examples.<br><br><br><br>
";
$error = "yes";
}
// CHECK IF SUBJECT IS SET
if($incoming_subject == "") {
echo "<h2>Form Error - Missing Field</h2>
Your form located at <a href='$form_url'>$form_url</a> does not work because you forgot to include
the required \"<b>rec_subject</b>\" field within the form. This field specifies the subject of
the email that will be sent.
<br><br>
This should look like:<br>
<input type=\"hidden\" name=\"rec_subject\" value=\"New Form Email\">
<br><br>
If you are still confused, please refer to the readme.txt for more information and examples.<br><br><br><br>
";
$error = "yes";
}
// CHECK IF THANKS IS SET
if($incoming_thanks == "") {
echo "<h2>Form Error - Missing Field</h2>
Your form located at <a href='$form_url'>$form_url</a> does not work because you forgot to include
the required \"<b>rec_thanks</b>\" field within the form. This field specifies what page the user
will be taken to after they submit the form.
<br><br>
This should look like:<br>
<input type=\"hidden\" name=\"rec_thanks\" value=\"thanks.html\">
<br><br>
If you are still confused, please refer to the readme.txt for more information and examples.<br><br><br><br>
";
$error = "yes";
}
// CHECK IF IP ADDRESS IS BANNED
if($ban_ip_on == "yes") {
if(strstr($ban_ip_list, $HTTP_SERVER_VARS[REMOTE_ADDR])) {
echo "<h2>Form Error - Banned IP</h2>
You cannot use this form because your IP address has been banned by the administrator.<br>
";
$error = "yes";
}
}
if($error == "yes") {
exit();
}
// SET EMAIL INTRODUCTION
$message = "Este email ha sido recibido desde su web $form_url \n\n";
// LOAD EMAIL CONTENTS
for ($i = 0; $i < count($incoming_fields); $i++) {
if($incoming_fields[$i] != "rec_mailto") {
if($incoming_fields[$i] != "rec_subject") {
if($incoming_fields[$i] != "rec_thanks") {
if($incoming_fields[$i] != "opt_mailto_cc") {
if($incoming_fields[$i] != "opt_mailto_bcc") {
// CHECK FOR REQUIRED FIELDS IF ACTIVATED
if($required_on == "yes") {
$sub = substr($incoming_fields[$i], 0, 2);
if($sub == "r_") {
if($incoming_values[$i] == "" OR !isset($incoming_values[$i]) OR $incoming_values[$i] == " ") {
header("Location: $required_errorpage");
exit();
}}}
// ADD FIELD TO OUTGOING MESSAGE
$message .= "$incoming_fields[$i]:\n$incoming_values[$i]\n\n";
}}}}}}
// SET EMAIL FOOTER
$message .= "\n\nFormulario contacto";
// CLEAR HEADERS
$headers = "";
// ADD FROM ADDRESS
if($from_address != "") {
$headers .= "From: $from_address\r\n";
}
// CHECK FOR CC OR BCC
if($incoming_mailto_cc != "") {
$headers .= "Cc: $incoming_mailto_cc\r\n";
}
if($incoming_mailto_bcc != "") {
$headers .= "Bcc: $incoming_mailto_bcc\r\n";
}
// SEND EMAIL
mail($incoming_mailto, $incoming_subject, $message, $headers);
// SEND AUTO-RESPONSE IF ACTIVATED
if($autorespond_on == "yes") {
$autorespond_mailto = @$HTTP_POST_VARS[$autorespond_mailto_field];
$autorespond_headers = "From: $autorespond_from";
mail($autorespond_mailto, $autorespond_subject, $autorespond_contents, $autorespond_headers);
}
// FORWARD TO THANK YOU PAGE
header("Location: $incoming_thanks");
?>
Marcar y Sumar todos los checkbox a la vez 
Hola soy kdiz, el que ha hecho la pregunta de Marcar y Sumar todos los checkbox a la vez.
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