Index: branches/unlabeled/unlabeled-1.4.10/core/units/selectors/selectors_event_handler.php
===================================================================
diff -u -r2053 -r2805
--- branches/unlabeled/unlabeled-1.4.10/core/units/selectors/selectors_event_handler.php	(.../selectors_event_handler.php)	(revision 2053)
+++ branches/unlabeled/unlabeled-1.4.10/core/units/selectors/selectors_event_handler.php	(.../selectors_event_handler.php)	(revision 2805)
@@ -5,7 +5,55 @@
 
 	class SelectorsEventHandler extends InpDBEventHandler 
 	{
+		
 		/**
+		 * Occures before an item has been cloned
+		 * Id of newly created item is passed as event' 'id' param
+		 *
+		 * @param kEvent $event
+		 */
+		function OnBeforeClone(&$event)
+		{
+			$event->Init($event->Prefix, '-item');
+			$object =& $event->getObject();
+			
+			$title_field = 'SelectorName';
+			$new_name = $object->GetDBField($title_field);
+			$original_checked = false;
+			
+			$foreign_key = $event->getEventParam('foreign_key'); // in case if whole stylesheet is cloned
+			if($foreign_key === false) $foreign_key = $object->GetDBField('StylesheetId'); // in case if selector is copied ifself
+			
+			do {
+				if ( preg_match('/(.*)-([\d]+)/', $new_name, $regs) ) {
+					$new_name = $regs[1].'-'.($regs[2]+1);
+				}
+				elseif ($original_checked) {
+					$new_name = $new_name.'-1';
+				}
+				
+				// if we are cloning in temp table this will look for names in temp table, 
+				// since object' TableName contains correct TableName (for temp also!)
+				// if we are cloning live - look in live
+				$query = '	SELECT '.$title_field.' 
+							FROM '.$object->TableName.'
+							WHERE '.$title_field.' = '.$this->Conn->qstr($new_name).' AND StylesheetId = '.$foreign_key;
+				
+				$res = $this->Conn->GetOne($query);
+				
+				/*// if not found in live table, check in temp table if applicable
+				if ($res === false && $object->Special == 'temp') {
+					$query = 'SELECT '.$name_field.' FROM '.$this->GetTempName($master['TableName']).'
+										WHERE '.$name_field.' = '.$this->Conn->qstr($new_name);
+					$res = $this->Conn->GetOne($query);
+				}*/
+				
+				$original_checked = true;
+			} while ($res !== false);
+			$object->SetDBField($title_field, $new_name);
+		}
+		
+		/**
 		 * Show base styles or block styles
 		 *
 		 * @param kEvent $event