Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/DesignDataModel.as
===================================================================
diff -u -rc471eca0f9f4b314366d1cca1189a0d40a03ab7f -rbec1a680f14059ddcea3c2ef58f3eafed493ec12
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/DesignDataModel.as	(.../DesignDataModel.as)	(revision c471eca0f9f4b314366d1cca1189a0d40a03ab7f)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/DesignDataModel.as	(.../DesignDataModel.as)	(revision bec1a680f14059ddcea3c2ef58f3eafed493ec12)
@@ -64,6 +64,7 @@
 	private var _duration:Number;
 	private var _readOnly:Boolean;
 	private var _validDesign:Boolean;
+	private var _modified:Boolean;
 	private var _maxID:Number;
 	private var _firstActivityID:Number;
 	private var _firstActivityUIID:Number;
@@ -819,6 +820,14 @@
 		return _duration;
 	}
 	
+	public function set modified(a:Boolean) {
+		_modified = a;
+	}
+	
+	public function get modified():Boolean {
+		return _modified;
+	}
+	
 	/**
 	 * 
 	 * @usage