Mannequin

c.. function rvm_counter($atts)
{
    extract(lAtts(array(
    'name'   => '',
    'offset' => '0',
    'reset'  => '',
    'step'   => '1',
    'width'  => '1'
    ), $atts));

    static $counter = array();

    $name = 'rvm_counter_'.$name;

    if (!isset($counter[$name]))
        {
        $counter[$name] = ($reset !== '') ? intval($reset) : intval($step);
        }
    else
        {
        $counter[$name] = ($reset !== '') ? intval($reset) : $counter[$name] + intval($step);
        }

    return sprintf('%0'.intval($width).'d', $counter[$name] + intval($offset));
}