Index: lams_flex/LamsAuthor/src/LamsAuthor.mxml
===================================================================
diff -u -r0aaad79f0f603dbb8fbcc1bd66f381428715c4d5 -rfa44eb30e5b2d91538b2915a3b3dcfc6b039dae3
--- lams_flex/LamsAuthor/src/LamsAuthor.mxml	(.../LamsAuthor.mxml)	(revision 0aaad79f0f603dbb8fbcc1bd66f381428715c4d5)
+++ lams_flex/LamsAuthor/src/LamsAuthor.mxml	(.../LamsAuthor.mxml)	(revision fa44eb30e5b2d91538b2915a3b3dcfc6b039dae3)
@@ -49,6 +49,9 @@
 			// current selected activity
 			public var selectedActivity:ActivityComponent;
 			
+			[Bindable]
+			public var applicationCenter:Point = new Point();
+			
 			// dictionary
 			[Bindable]
 			public var dictionary:XMLDictionaryRegistry;
@@ -96,4 +99,7 @@
 	
 	<toolbar:ToolBar id="toolBar" width="100%" height="30"></toolbar:ToolBar>
 	
+	<mx:Binding destination="applicationCenter.x" source="this.width/2" />
+	<mx:Binding destination="applicationCenter.y" source="this.height/2" />
+	
 </mx:Application>