Index: trunk/kernel/units/selectors/selectors_tag_processor.php
===================================================================
diff -u -N -r1566 -r3105
--- trunk/kernel/units/selectors/selectors_tag_processor.php	(.../selectors_tag_processor.php)	(revision 1566)
+++ trunk/kernel/units/selectors/selectors_tag_processor.php	(.../selectors_tag_processor.php)	(revision 3105)
@@ -67,7 +67,7 @@
 			$block_params['field'] = $params['field'];
 			$block_params['pass_params'] = 'true';
 
-			$selected_param_name = $params['selected_param'];
+			$selected_param_name = getArrayValue($params, 'selected_param');
 			if (!$selected_param_name) $selected_param_name = $params['selected'];
 			$selected = $params['selected'];
 
Index: trunk/core/units/selectors/selectors_tag_processor.php
===================================================================
diff -u -N -r1566 -r3105
--- trunk/core/units/selectors/selectors_tag_processor.php	(.../selectors_tag_processor.php)	(revision 1566)
+++ trunk/core/units/selectors/selectors_tag_processor.php	(.../selectors_tag_processor.php)	(revision 3105)
@@ -67,7 +67,7 @@
 			$block_params['field'] = $params['field'];
 			$block_params['pass_params'] = 'true';
 
-			$selected_param_name = $params['selected_param'];
+			$selected_param_name = getArrayValue($params, 'selected_param');
 			if (!$selected_param_name) $selected_param_name = $params['selected'];
 			$selected = $params['selected'];
 
Index: trunk/kernel/units/selectors/selectors_event_handler.php
===================================================================
diff -u -N -r2800 -r3105
--- trunk/kernel/units/selectors/selectors_event_handler.php	(.../selectors_event_handler.php)	(revision 2800)
+++ trunk/kernel/units/selectors/selectors_event_handler.php	(.../selectors_event_handler.php)	(revision 3105)
@@ -253,8 +253,7 @@
 			$parent_info = $object->getLinkedInfo();
 			$title_field = $this->Application->getUnitOption($event->Prefix,'TitleField');
 			$sql = 'SELECT '.$title_field.', '.$object->IDField.' FROM '.$object->TableName.' WHERE Type = 1 AND StylesheetId = '.$parent_info['ParentId'].' ORDER BY '.$title_field;
-			$object->Fields['ParentId']['options'] = array_merge_recursive2($object->Fields['ParentId']['options'],
-																				$this->Conn->GetCol($sql,$object->IDField) );
+			$object->Fields['ParentId']['options'] = $this->Conn->GetCol($sql,$object->IDField);
 		}
 		
 		/**
Index: trunk/kernel/admin_templates/incs/form_blocks.tpl
===================================================================
diff -u -N -r3038 -r3105
--- trunk/kernel/admin_templates/incs/form_blocks.tpl	(.../form_blocks.tpl)	(revision 3038)
+++ trunk/kernel/admin_templates/incs/form_blocks.tpl	(.../form_blocks.tpl)	(revision 3105)
@@ -93,7 +93,7 @@
 	</tr>
 <inp2:m_blockend/>
 
-<inp2:m_block name="inp_edit_hidden"/>
+<inp2:m_block name="inp_edit_hidden" db=""/>
 	<input type="hidden" name="<inp2:$prefix_InputName field="$field"/>" id="<inp2:$prefix_InputName field="$field"/>" value="<inp2:$prefix_Field field="$field" db="$db"/>">
 <inp2:m_blockend/>
 
Index: trunk/core/units/selectors/selectors_config.php
===================================================================
diff -u -N -r2799 -r3105
--- trunk/core/units/selectors/selectors_config.php	(.../selectors_config.php)	(revision 2799)
+++ trunk/core/units/selectors/selectors_config.php	(.../selectors_config.php)	(revision 3105)
@@ -95,7 +95,7 @@
 										'Description' => Array('type' => 'string','not_null' => '1','default' => ''),
 										'Type' => Array('type' => 'int', 'formatter'=>'kOptionsFormatter', 'options'=>Array( 1 => 'la_BaseSelectors', 2 => 'la_BlockSelectors'), 'use_phrases' => 1, 'not_null' => '1','default' => '0'),
 										'AdvancedCSS' => Array('type' => 'string','not_null' => '1','default' => ''),
-										'ParentId' => Array('type' => 'int', 'formatter'=>'kOptionsFormatter', 'options'=>Array(0=>''), 'not_null' => '1','default' => '0'),
+										'ParentId' => Array('type' => 'int', 'formatter'=>'kOptionsFormatter', 'required' => 1, 'not_null' => '1','default' => '0'),
 								),
 
 					'VirtualFields'	=> 	Array(
Index: trunk/core/units/selectors/selectors_event_handler.php
===================================================================
diff -u -N -r2800 -r3105
--- trunk/core/units/selectors/selectors_event_handler.php	(.../selectors_event_handler.php)	(revision 2800)
+++ trunk/core/units/selectors/selectors_event_handler.php	(.../selectors_event_handler.php)	(revision 3105)
@@ -253,8 +253,7 @@
 			$parent_info = $object->getLinkedInfo();
 			$title_field = $this->Application->getUnitOption($event->Prefix,'TitleField');
 			$sql = 'SELECT '.$title_field.', '.$object->IDField.' FROM '.$object->TableName.' WHERE Type = 1 AND StylesheetId = '.$parent_info['ParentId'].' ORDER BY '.$title_field;
-			$object->Fields['ParentId']['options'] = array_merge_recursive2($object->Fields['ParentId']['options'],
-																				$this->Conn->GetCol($sql,$object->IDField) );
+			$object->Fields['ParentId']['options'] = $this->Conn->GetCol($sql,$object->IDField);
 		}
 		
 		/**
Index: trunk/kernel/units/selectors/selectors_config.php
===================================================================
diff -u -N -r2799 -r3105
--- trunk/kernel/units/selectors/selectors_config.php	(.../selectors_config.php)	(revision 2799)
+++ trunk/kernel/units/selectors/selectors_config.php	(.../selectors_config.php)	(revision 3105)
@@ -95,7 +95,7 @@
 										'Description' => Array('type' => 'string','not_null' => '1','default' => ''),
 										'Type' => Array('type' => 'int', 'formatter'=>'kOptionsFormatter', 'options'=>Array( 1 => 'la_BaseSelectors', 2 => 'la_BlockSelectors'), 'use_phrases' => 1, 'not_null' => '1','default' => '0'),
 										'AdvancedCSS' => Array('type' => 'string','not_null' => '1','default' => ''),
-										'ParentId' => Array('type' => 'int', 'formatter'=>'kOptionsFormatter', 'options'=>Array(0=>''), 'not_null' => '1','default' => '0'),
+										'ParentId' => Array('type' => 'int', 'formatter'=>'kOptionsFormatter', 'required' => 1, 'not_null' => '1','default' => '0'),
 								),
 
 					'VirtualFields'	=> 	Array(