override user login and checkout buttons on template.php

gistfile1.txt

function power_form_alter(&$form, &$form_state, $form_id) {
/*
 *  Show all variables in user login
 *  dpm($form);
 */



if ($form_id == 'user_login') {
 $form['pass']['#title'] = t('Customer No.');
 $form['pass']['#description'] = t(' ');
 $form['name']['#description'] = t(' ');

}


if ($form_id == 'commerce_checkout_form_checkout') {
 $form['buttons']['continue']['#value'] = t('Complete Order');
 $form['buttons']['cancel']['#value'] = t('Cancel Order');


}
}