if (arg(0) == 'node' && is_numeric(arg(1))) {
  $args = array(arg(1)) ;
  if ($nodes = translation_node_get_translations(arg(1))) {
    foreach ($nodes as $node) {
      $args[] = $node->nid;  
    }
  }
  return implode($args, '+') ;
}

function mymodule_forms()
{
  $forms['mymodule_a_form'] = array(
    'callback' => 'mymodule_a_form',
  );
  $forms['mymodule_b_form'] = array(
    'callback' => 'mymodule_b_form',
  );
  $forms['mymodule_c_form'] = array(
    'callback' => 'mymodule_c_form',
  );
  return $forms;
}
function mymodule_a_form()
{
 
}
function mymodule_a_form_validate($form_id, $edit, $form)
{
 
}
function mymodule_a_form_submit($form_id, $edit)
{
 
}
 
function mymodule_b_form()
{
 
}
function mymodule_b_form_validate($form_id, $edit, $form)
{
 
}
function mymodule_b_form_submit($form_id, $edit)
{
 
}
 
function mymodule_c_form()
{
 
}
function mymodule_c_form_validate($form_id, $edit, $form)
{
 
}
function mymodule_c_form_submit($form_id, $edit)
{
 
}

function mymodule_menu($may_cache)
{
  //...
  $items[] = array(
      'path' => 'admin/valami/edit/ful3',
      'type' => MENU_LOCAL_TASK,
      'title' => t('3'),
      'callback' => 'drupal_get_form',
      'callback arguments' => array('mymodule_c_form'),
    );
  //...
}

function mymodule_menu($may_cache)
{
	if(!$may_cache)
	{ 		
		if($arg3 = arg(3) AND is_numeric($arg3))
		{
			//Lekérdezni hogy a $arg3-ban lévő szám az valóban egy érvényes azonosító-e
			$items[] = array
			(
				'path' => "admin/valami/edit/$arg3",
				'callback' => 'drupal_get_form',
				'callback arguments' => array('mymodule_a_form', $arg3),
			);
		}
	}
}
 
function mymodule_a_form()
{
	$form = array();
 
	foreach(func_get_args() as $index => $arg)
	{
		$form[$index] = array
		(
			'#type' => 'item',
			'#title' => "Argument $index = ",
			'#value' => '<pre>' . htmlentities(print_r($arg, true)) . '</pre>',
		);
	}
 
	return $form;
}