Элементы формы - селекты, радио-списки и др.

SELECT - обычный

        $options = array();
        $options[] = JHTML::_('select.optgroup', $text= JText::_('Group'));
        $options[] = JHTML::_('select.option', $value = '1', $text= JText::_('First'), 'value', 'text', $disable=true);
        echo JHTML::_('select.genericlist', $options, $name = 'test', $attribs = null, $key = 'value', $text = 'text', $selected = NULL, $idtag = false, $translate = false);
	

SELECT - числовой

        echo JHTML::_('select.integerlist', $start, $end, $inc, $name, $attribs = null, $selected = null, $format = "");
	

SELECT - радио-список

        $options = array();
        $options[] = JHTML::_('select.option', $value = '1', $text= JText::_('First'), 'value', 'text', $disable=true);
        echo JHTML::_('select.radiolist', $options, $name='Radio', $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false);
	

SELECT - две радио-кнопки

        echo JHTML::_('select.booleanlist', $name  , $attribs = null, $selected = null, $yes='yes', $no='no', $id=false);
	

SELECT - список пользователей

        echo JHTML::_('list.users', $name, $active, $nouser = 0, $javascript = NULL, $order = 'name', $reg = 1);
	

SELECT - список категорий

        echo JHTML::_('list.category', $name, $section, $active = NULL, $javascript = NULL, $order = 'ordering', $size = 1, $sel_cat = 1);
	

SELECT - список разделов

        echo JHTML::_('list.section', $name, $active = NULL, $javascript = NULL, $order = 'ordering', $uncategorized = true, $scope = 'content');
	

SELECT - список групп уровней доступа

        $row = new stdClass();
        $row->access = null;
        echo JHTML::_('list.accesslevel', $row);
	

SELECT - список картинок из папки

        echo JHTML::_('list.images', $name, $active = NULL, $javascript = NULL, $directory = NULL, $extensions = "bmp|gif|jpg|png");
	

SELECT - список позиций

        echo JHTML::_('list.positions', $name, $active = NULL, $javascript = NULL, $none = 1, $center = 1, $left = 1, $right = 1, $id = false);


Источник и подробное описание здесь.