searchWords = function($form)
{
    const words = $form.find('input[name=words]').val();
    if(words == '')
    {
        zui.Modal.alert(inputWords);
        return false;
    }

    const form = new FormData();
    form.append('words', words);

    const types = $form.find('[name^=type]').val();
    if(typeof types == 'object') types.forEach(type => form.append('type[]', type));
    if(typeof types == 'string') form.append('type[]', types);

    postAndLoadPage($.createLink('search', 'index'), form);
}

function clearWords()
{
    $('#clearWords').addClass('hidden').closest('.input-group').find('input[name=words]').val('');
}

function toggleClearWords()
{
    $(event.target).closest('.input-group').find('#clearWords').toggleClass('hidden', $(event.target).val() == '');
}