Выбор валюты на JavaScript - [VM1] Управление товарами, атрибутами, типами, ценами

<?php
if( !defined( '_VALID_MOS' ) && !defined( '_JEXEC' ) ) die( 'Direct Access to '.basename(__FILE__).' is not allowed.' );
global $mosConfig_absolute_path, $sess, $option, $page, $ps_html, $vendor_accepted_currencies;

// Load the VirtueMart main parse code
if( file_exists(dirname(__FILE__).'/../../components/com_virtuemart/virtuemart_parser.php' )) {
   require_once( dirname(__FILE__).'/../../components/com_virtuemart/virtuemart_parser.php' );
} else {
   require_once( dirname(__FILE__).'/../components/com_virtuemart/virtuemart_parser.php' );
}

$text_before = $params->get( 'text_before', '');
$currencies = @explode( ',', $params->get( 'product_currency', $vendor_accepted_currencies ) );
$vendor_currencies = @explode( ',', $vendor_accepted_currencies );
if( count( $currencies ) < count( $vendor_currencies )) {
   $currencies = $vendor_currencies;
}
$db = new ps_DB();
$db->query( 'SELECT currency_id, currency_code, currency_name FROM `#__{vm}_currency` WHERE FIND_IN_SET(`currency_code`, \''.implode(',',$currencies).'\') ORDER BY `currency_name`' );#

//$currencies = explode( ',', $currencies );
//$db->query( 'SELECT currency_id, currency_code, currency_name FROM `#__{vm}_currency` ORDER BY `currency_name`' );
unset( $currencies );

while( $db->next_record()) {
   $currencies[$db->f('currency_code')] = $db->f('currency_name');
}

$sess = new ps_session;
    
?>
<!-- Currency Selector Module -->
<?php echo $text_before ?>
<script type="text/javascript">
   function send_cur(kod){
      document.getElementById('cur').value=kod;
      document.getElementById('cur_mod').submit();
   }
   
</script>
<form id="cur_mod" action="<?php echo $_SERVER['SCRIPT_NAME'] ?>" method="post">
   <br />
   <?php
   if( !empty( $_POST )) {
      
      foreach( $_POST as $key => $val ) {
         if( $key == 'product_currency' ) continue;
         if( is_array($val) ) {
            if( $key == 'checkout_this_step' ) {
               foreach( $val as $value ) {
                  echo '<input type="hidden" name="'.$key.'[]" value="'.htmlspecialchars($value, ENT_QUOTES)."\" />\n";
               }
            } 
            continue;

         } 
         $key = htmlspecialchars($key, ENT_QUOTES);
         $val = htmlspecialchars($val, ENT_QUOTES);
         echo "<input type=\"hidden\" name=\"$key\" value=\"$val\" />\n";
      }
   }
   elseif( !empty( $_GET )) {
      
      foreach( $_GET as $key => $val ) {
         if( $key == 'product_currency' ) continue;
         if( is_array($val) ) {
            if( $key == 'checkout_this_step' ) {
               foreach( $val as $value ) {
                  echo '<input type="hidden" name="'.$key.'[]" value="'.htmlspecialchars($value, ENT_QUOTES)."\" />\n";
               }
            } 
            continue;

         }
         
         $key = htmlspecialchars($key, ENT_QUOTES);
         echo "<input type=\"hidden\" name=\"$key\" value=\"".htmlspecialchars($val, ENT_QUOTES)."\" />\n";
      }
   }
   echo '<input id="cur" type="hidden" value="" name="product_currency" />';
   foreach($currencies as $key => $val){
      $x+=1;
      echo '<a href="#" onclick="send_cur(\''.$key.'\');" >'.$val.'</a> ';
      if ($x==2){
         echo '<br />';
      }else{
         echo ' / ';
      }
   }
//   echo $ps_html->selectList( 'product_currency', $GLOBALS['product_currency'], $currencies, 1, '', 'style="width:130px;"' );
   ?>
    
<!--    <input class="button" type="submit" name="submit" value="<?php echo 'Change Currency' ?>" />-->
</form>