$form['folks_list']=array(
                '#type'=>'select',
                '#title' => t('Freeway Source Languages'),
                '#options' => $array,
                '#attributes'=> array('onselect' => "populateTargetlangs();"),

                '#weight'=>7,
            );




// listbox for target language.

            $form['targetLang_list']=array(
                '#type'=>'select',
                '#title' => t('Freeway Target Languages'),
                '#options' => $arrayT,
                '#multiple' => false,
                '#attributes'=>array('size'=>4, 'class' => 'select_folks_list'),
                '#weight'=>8,
            );