Index: branches/RC/core/units/admin/admin_events_handler.php
===================================================================
diff -u -N -r11336 -r11409
--- branches/RC/core/units/admin/admin_events_handler.php	(.../admin_events_handler.php)	(revision 11336)
+++ branches/RC/core/units/admin/admin_events_handler.php	(.../admin_events_handler.php)	(revision 11409)
@@ -53,6 +53,14 @@
 			return $this->Application->CheckPermission($tools_events[$event->Name]);
 		}
 
+		if ($event->Name == 'OnSaveMenuFrameWidth') {
+			if (!$this->Application->IsAdmin() || !$this->Application->LoggedIn()) {
+				return false;
+			}
+
+			return true;
+		}
+
 		return parent::CheckPermission($event);
 	}
 
@@ -1167,4 +1175,27 @@
 		}
 	}
 
+	/**
+	 * Saves menu (tree) frame width
+	 *
+	 * @param kEvent $event
+	 */
+	function OnSaveMenuFrameWidth(&$event)
+	{
+		$event->status = erSTOP;
+
+		if (!$this->Application->ConfigValue('ResizableFrames')) {
+			return ;
+		}
+
+		$sql = 'UPDATE ' . $this->Application->getUnitOption('conf', 'TableName') . '
+				SET VariableValue = ' . (int)$this->Application->GetVar('width')  . '
+				WHERE VariableName = "MenuFrameWidth"';
+		$this->Conn->Query($sql);
+
+		if ($this->Conn->getAffectedRows()) {
+			$this->Application->UnitConfigReader->ResetParsedData(false);
+		}
+	}
+
 }
\ No newline at end of file