Index: trunk/kernel/units/general/helpers/multilanguage.php
===================================================================
diff -u -r4000 -r4017
--- trunk/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4000)
+++ trunk/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4017)
@@ -121,6 +121,21 @@
 			}
 		}
 		
+		function deleteField($prefix, $custom_id)
+		{
+			$table_name = $this->Application->getUnitOption($prefix, 'TableName');
+			$sql = 'DESCRIBE '.$table_name.' "l%_cust_'.$custom_id.'"';
+			$fields = $this->Conn->GetCol($sql);
+			
+			$sql = 'ALTER TABLE '.$table_name.' ';
+			$sql_template = 'DROP COLUMN %s, ';
+			foreach ($fields as $field_name) {
+				$sql .= sprintf($sql_template, $field_name);
+			}
+			$sql = preg_replace('/(.*), $/', '\\1', $sql);
+			$this->Conn->Query($sql);
+		}
+		
 		/**
 		 * Returns parameter requested of current source field
 		 *