Index: trunk/core/kernel/db/dbitem.php
===================================================================
diff -u -r2799 -r3013
--- trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 2799)
+++ trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 3013)
@@ -826,6 +826,28 @@
 	{
 		return $this->Loaded;
 	}
+	
+	/**
+	 * Checks if field is required
+	 *
+	 * @param string $field
+	 * @return bool
+	 */
+	function isRequired($field)
+	{
+		return getArrayValue( $this->Fields[$field], 'required' );
+	}
+	
+	/**
+	 * Sets new required flag to field
+	 *
+	 * @param string $field
+	 * @param bool $is_required
+	 */
+	function setRequired($field, $is_required = true)
+	{
+		$this->Fields[$field]['required'] = $is_required;
+	}
 }