Minimally maintained

Add form element for Chained selects (i.e. dependent dropowns) -- http://www.appelsiini.net/2010/jquery-chained-selects

Grab the source and place under libraries/jquery_chained (so you will have libraries/jquery_chained/jquery.chained.js).

Dependencies:
* Libraries API

Example form:
<?php
$options = array(
'' => '--',
'bmw' => t('BMW'),
'audi' => t('Audi'),
);

$form['mark'] = array(
'#type' => 'select',
'#title' => t('Select 1'),
'#options' => $options,
'#attributes' => array('id' => 'chained-selects-mark'),
'#default_value' => 'audi',
);

$options = array(
'' => '--',
'series-3' => t('3 series'),
'series-5' => t('5 series'),
'series-6' => t('6 series'),

'a3' => t('A3'),
'a4' => t('A4'),
'a5' => t('A5'),
);

$options_attributes = array(
'series-3' => array('class' => 'bmw'),
'series-5' => array('class' => 'bmw'),
'series-6' => array('class' => 'bmw'),

'a3' => array('class' => 'audi'),
'a4' => array('class' => 'audi'),
'a5' => array('class' => 'audi'),
);

$form['series'] = array(
'#type' => 'select',
'#title' => t('Select 2'),
'#attributes' => array('id' => 'chained-selects-series'),

This module provides Ubercart payment method for Assist.ru - Russian payment gateway.

Ever wonder why all that extra bandwidth is used up pushing the same identical HTML markup for many items on a page?

This module can be used by other modules to collect and track payments. This is a developer centric module that extends functionality for flexible transactions.