Index: lams_common/src/java/org/lamsfoundation/lams/usermanagement/WorkspaceFolder.java
===================================================================
diff -u -r08950e1090443c3423a3d1c587416a2fccd8bbdf -r9c74a0eb1d54a55c302a0617a72d44a438664a41
--- lams_common/src/java/org/lamsfoundation/lams/usermanagement/WorkspaceFolder.java	(.../WorkspaceFolder.java)	(revision 08950e1090443c3423a3d1c587416a2fccd8bbdf)
+++ lams_common/src/java/org/lamsfoundation/lams/usermanagement/WorkspaceFolder.java	(.../WorkspaceFolder.java)	(revision 9c74a0eb1d54a55c302a0617a72d44a438664a41)
@@ -366,8 +366,14 @@
 	public void addFolderContent(WorkspaceFolderContent workspaceFolderContent){
 		if(this.folderContent==null)
 			this.folderContent = new HashSet();
-		
 		this.folderContent.add(workspaceFolderContent);
+		workspaceFolderContent.setWorkspaceFolder(this);
 	}
-	
+
+	public void addChild(WorkspaceFolder workspaceFolder) {
+		if(childWorkspaceFolders == null){
+			childWorkspaceFolders = new HashSet();
+		}
+		childWorkspaceFolders.add(workspaceFolder);
+	}
 }