gracias.
Código:
<tr> <td width="100" align="right" class="key"> <label for="categoryid"> <?php echo JText::_( 'Category' ); ?>: </label> </td> <td> <?php $id = @$row->id; ?> <?php $url = "index.php?option=com_billets&format=raw&controller=tickets&task=getFields&ticketid={$id}&categoryid="; ?> <?php $attribs = array( 'class' => 'inputbox', 'size' => '1', 'onchange' => "doTask( '$url'+document.adminForm.categoryid.options[document.adminForm.categoryid.selectedIndex].value, 'additional_info_wrapper', document.adminForm );" ); ?> <?php echo BilletsSelect::category( @$row->categoryid, 'categoryid', $attribs, 'categoryid', true, false, 'Select Category', '', true ); ?> </td> </tr>