Index: branches/5.2.x/core/kernel/kbase.php
===================================================================
diff -u -N -r14644 -r14673
--- branches/5.2.x/core/kernel/kbase.php	(.../kbase.php)	(revision 14644)
+++ branches/5.2.x/core/kernel/kbase.php	(.../kbase.php)	(revision 14673)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: kbase.php 14644 2011-10-06 15:35:08Z alex $
+* @version	$Id: kbase.php 14673 2011-10-19 08:15:30Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -471,7 +471,7 @@
 		$this->initForm($form_name);
 		$this->defineFields();
 
-		$this->ApplyFieldModifiers(); // should be called only after all fields definitions been set
+		$this->ApplyFieldModifiers(null, true); // should be called only after all fields definitions been set
 		$this->prepareConfigOptions(); // this should go last, but before setDefaultValues, order is significant!
 
 		// only set on first call of method
@@ -639,11 +639,12 @@
 	 * Override field options with ones defined in submit via "field_modfiers" array (common for all prefixes)
 	 *
 	 * @param Array $field_modifiers
+	 * @param bool $from_submit
 	 * @return void
 	 * @access public
 	 * @author Alex
 	 */
-	public function ApplyFieldModifiers($field_modifiers = null)
+	public function ApplyFieldModifiers($field_modifiers = null, $from_submit = false)
 	{
 		$allowed_modifiers = Array ('required', 'multiple');
 
@@ -654,28 +655,47 @@
 
 		if ( !isset($field_modifiers) ) {
 			$field_modifiers = $this->Application->GetVar('field_modifiers');
+
 			if ( !$field_modifiers ) {
 				// no field modifiers
-				return ;
+				return;
 			}
 
 			$field_modifiers = getArrayValue($field_modifiers, $this->getPrefixSpecial());
 		}
 
 		if ( !$field_modifiers ) {
 			// no field modifiers for current prefix_special
-			return ;
+			return;
 		}
 
+		$fields = $this->Application->getUnitOption($this->Prefix, 'Fields', Array ());
+		$virtual_fields = $this->Application->getUnitOption($this->Prefix, 'VirtualFields', Array ());
+
 		foreach ($field_modifiers as $field => $field_options) {
 			foreach ($field_options as $option_name => $option_value) {
 				if ( !in_array(strtolower($option_name), $allowed_modifiers) ) {
 					continue;
 				}
 
-				$this->Fields[$field][$option_name] = $option_value;
+				if ( $from_submit ) {
+					// there are no "lN_FieldName" fields, since ApplyFieldModifiers is
+					// called before PrepareOptions method, which creates them
+					$field = preg_replace('/^l[\d]+_(.*)/', '\\1', $field);
+				}
+
+				if ( $this->isVirtualField($field) ) {
+					$virtual_fields[$field][$option_name] = $option_value;
+					$this->SetFieldOption($field, $option_name, $option_value, true);
+				}
+
+				$fields[$field][$option_name] = $option_value;
+				$this->SetFieldOption($field, $option_name, $option_value);
 			}
 		}
+
+		$this->Application->setUnitOption($this->Prefix, 'Fields', $fields);
+		$this->Application->setUnitOption($this->Prefix, 'VirtualFields', $virtual_fields);
 	}
 
 	/**