Show 2 decimals for tax in checkout

[redrum]

I want to display 2 decimals in tax in the order total at checkout. I don't want to display 2 decimals anywhere else in the shop, therefore I can't change this in admin.

Can anyone help me out with this?

 

Below is my ot_tax.php

<?php
/*
 $Id: ot_tax.php,v 1.3 2005/02/19 09:01:10 joacim Exp $

 osCommerce, Open Source E-Commerce Solutions
 http://www.oscommerce.com

 Copyright (c) 2003 osCommerce

 Released under the GNU General Public License

 [Joacim J?rkeborn, 2005-02-18]
 Modified for viewing taxes in different ways, more support for multiple tax rates and 
 able to split the display per tax rate.  
*/

class ot_tax {
var $title, $output;

function ot_tax() {
	$this->code = 'ot_tax';
	$this->title = MODULE_ORDER_TOTAL_TAX_TITLE;
	$this->description = MODULE_ORDER_TOTAL_TAX_DESCRIPTION;
	$this->enabled = ((MODULE_ORDER_TOTAL_TAX_STATUS == 'true') ? true : false);
	$this->sort_order = MODULE_ORDER_TOTAL_TAX_SORT_ORDER;
	$this->output = array();
}

/* **************************************************
 * Summerar totala momsen p? en rad f?r momssatserna 
 * ************************************************** */
function process() {
	global $order, $currencies;

	if(MODULE_ORDER_TOTAL_TAX_SHOW_HEADER == 'true') {
		$this->output[] = array('title' => '<b>' . MODULE_ORDER_TOTAL_TAX_HEADER . '</b>',
								'text' => '',
								'value' => '');		
	}
	// Calculate the total tax amount
	$num = 0;
	$total_moms_summa = 0;
	reset($order->info['tax_groups']);
	while (list($key, $value) = each($order->info['tax_groups'])) {
		if ($value > 0) {
			$total_moms_summa=$total_moms_summa+$value; // Summerar totala momsen
			$num++;
		}
	}
	$moms_desc = '';
	if(DISPLAY_PRICE_WITH_TAX == 'false') {
		// Skriver ut totalamomsen
		$this->output[] = array(
			'title' =>MODULE_ORDER_TOTAL_TAX_TITLE.':',
			'text' => $currencies->format($total_moms_summa, true, $order->info['currency'], $order->info['currency_value']),
			'value' => $total_moms_summa);
	} else {
		// If more than one tax group was used, display the total amount of tax
		if ( MODULE_ORDER_TOTAL_TAX_INCL_SPLITTED == 'false' || (MODULE_ORDER_TOTAL_TAX_INCL_SPLITTED == 'true' && $num > 1)) {
			$this->output[] = array('title' => MODULE_ORDER_TOTAL_TAX_INCL_TITLE . ':',
									'text' => $currencies->format($total_moms_summa, true, $order->info['currency'], $order->info['currency_value']),
									'value' => $order->info['total']);
		}

		if (MODULE_ORDER_TOTAL_TAX_INCL_SPLITTED == 'true' ) {
			// Display the taxes per tax group
			reset($order->info['tax_groups']);
			while (list($key, $value) = each($order->info['tax_groups'])) {
				if ($value > 0) {
					$this->output[] = array('title' => MODULE_ORDER_TOTAL_TAX_SPLIT_TITLE . $key . ':',
											'text' =>  $currencies->format($value, false, $order->info['currency'], $order->info['currency_value']),
											'value' => $value);
				}
			}
		}
	}


}
// ***************************************************

function check() {
	if (!isset($this->_check)) {
		$check_query = tep_db_query("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_ORDER_TOTAL_TAX_STATUS'");
		$this->_check = tep_db_num_rows($check_query);
	}
	return $this->_check;
}

function keys() {
	return array('MODULE_ORDER_TOTAL_TAX_STATUS', 'MODULE_ORDER_TOTAL_TAX_SORT_ORDER','MODULE_ORDER_TOTAL_TAX_SHOW_HEADER' ,'MODULE_ORDER_TOTAL_TAX_INCL_SPLITTED');
}

function install() {
	tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Display Tax', 'MODULE_ORDER_TOTAL_TAX_STATUS', 'true', 'Do you want to display the order tax value?', '6', '1','tep_cfg_select_option(array(\'true\', \'false\'), ', now())");
	tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Sort Order', 'MODULE_ORDER_TOTAL_TAX_SORT_ORDER', '3', 'Sort order of display.', '6', '2', now())");

	tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Display tax specification header', 'MODULE_ORDER_TOTAL_TAX_SHOW_HEADER', 'false', 'Enable to show the tax specification header?', '6', '3','tep_cfg_select_option(array(\'true\', \'false\'), ', now())");
	tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Display amount splitted per tax rate', 'MODULE_ORDER_TOTAL_TAX_INCL_SPLITTED', 'false', 'Enable to split the tax amounts on the different tax rates?', '6', '4','tep_cfg_select_option(array(\'true\', \'false\'), ', now())");

}

function remove() {
	tep_db_query("delete from " . TABLE_CONFIGURATION . " where configuration_key in ('" . implode("', '", $this->keys()) . "')");
}
}
?>

 

Thanks,

Fredrik