public static function item($extension)
	{
		// Create the copy/move options.
		$options = array(
			Select::option('c', Lang::txt('JLIB_HTML_BATCH_COPY')),
			Select::option('m', Lang::txt('JLIB_HTML_BATCH_MOVE'))
		);

		// Create the batch selector to change select the category by which to move or copy.
		$lines = array(
			'<label id="batch-choose-action-lbl" for="batch-choose-action">',
			Lang::txt('JLIB_HTML_BATCH_MENU_LABEL'),
			'</label>',
			'<fieldset id="batch-choose-action" class="combo">',
			'<select name="batch[category_id]" class="inputbox" id="batch-category-id">',
			'<option value="">' . Lang::txt('JSELECT') . '</option>',
			Select::options(Category::options($extension)),
			'</select>',
			Select::radiolist($options, 'batch[move_copy]', '', 'value', 'text', 'm'),
			'</fieldset>'
		);

		return implode("\n", $lines);
	}