Drupal 6 database insert for Scribe SAI users

node_form_insert.php

<?php
$fname     = mysql_real_escape_string($_GET["fname"]);
$lname     = mysql_real_escape_string($_GET["lname"]);
$company   = mysql_real_escape_string($_GET["company"]);
$email     = mysql_real_escape_string($_GET["email"]);
$datetime  = strtotime(now);
$mysqldate = date('Y-m-d H:i:s', $datetime);

if (!empty($fname) && !empty($lname) && !empty($email)) {

  $sql = "INSERT INTO {scr_sai_register} (fname, lname, company, email, created) VALUES ('%s', '%s', '%s', '%s', '%s')";
  $result = db_query($sql, $fname, $lname, $company, $email, $mysqldate);
  
  // Save the data to the database
  if ($result = true) {
  // Tell the user that the SAI has been registered.
    drupal_set_message(t('Thank you for registering the SAI. Please contact support if you encounter any issues.'));
  // Print the values to the user
  echo '<p>We have recorded the following information for your registration to the SAI:</p>';
  echo '<p><strong>First Name:</strong> ' . $fname . '<br />';
  echo '<strong>Last Name:</strong> ' . $lname . '<br />';
  echo '<strong>Company:</strong> ' . $company . '<br />';
  echo '<strong>E-mail:</strong> ' . $email . '</p>';
  echo '<p>This entitles you to use the SAI on your workstation.</p>';

  }
  else { // If there's an error, $result will evaluate to FALSE, and the following code will execute.
    drupal_set_message(t('There was an error saving your data. Please try again.'), 'error');
  }
}
else {
  echo '<p>Please contact a Scribe sales representative if you are interested in using the SAI.</p>';
}