443     function _check_field_name($field) {  argument
447       if (trim($field->get_field_name()) == "") {
457         if ($kid->get_field_name() == $field->get_field_name()) {
468     function add_field(&$field) {  argument
469       if (!$this->_check_field_name($field)) { 
473         $field->set_field_name(sprintf("%s_FieldObject%d",
474                                        $field->get_field_name(),
475                                        $field->get_object_id()));
478       $this->_kids[] =& $field;
479       $field->set_parent($this);
492       foreach ($this->_kids as $field) {
493         $field->out($handler);
865     function _check_field_name($field) {  argument
1203       $field =& new PDFFieldSelect($this,
1212       $current_form->add_field($field);
1214       $this->_pages[count($this->_pages)-1]->add_annotation($field); 
1230       $field =& new PDFFieldCheckBox($this,
1238       $current_form->add_field($field);
1240       $this->_pages[count($this->_pages)-1]->add_annotation($field); 
1268         $field =& $this->_form_radios[$group_name];
1270         $field =& new PDFFieldRadioGroup($this, 
1276         $current_form->add_field($field);
1278         $this->_form_radios[$group_name] =& $field;
1286       $field->add_field($radio);
1287       if ($checked) { $field->set_checked($value); };
1305       $field =& new PDFFieldText($this, 
1315       $current_form->add_field($field);
1317       $this->_pages[count($this->_pages)-1]->add_annotation($field);    
1321       $field =& new PDFFieldMultilineText($this, 
1331       $current_form->add_field($field);
1333       $this->_pages[count($this->_pages)-1]->add_annotation($field);    
1349       $field =& new PDFFieldPassword($this,
1359       $current_form->add_field($field);
1361       $this->_pages[count($this->_pages)-1]->add_annotation($field);
1365       $field =& new PDFFieldPushButtonImage($this,
1376       $current_form->add_field($field);
1378       $this->_pages[count($this->_pages)-1]->add_annotation($field);    
1382       $field =& new PDFFieldPushButtonSubmit($this,
1393       $current_form->add_field($field);
1395       $this->_pages[count($this->_pages)-1]->add_annotation($field);    
1399       $field =& new PDFFieldPushButtonReset($this,
1408       $current_form->add_field($field);
1410       $this->_pages[count($this->_pages)-1]->add_annotation($field);    
1414       $field =& new PDFFieldPushButton($this,
1423       $current_form->add_field($field);
1425       $this->_pages[count($this->_pages)-1]->add_annotation($field);