Method: CREATE_NAV_VIEW
Method: GET_SELECTED_ELEMENT_URL
Method: HAS_SELECTION
Method: CREATE_WORKAREA_VIEW
Method: CREATE_CUST_TREE
Method: ON_SKIN_TREE_FOCUS
Method: INIT_UI_COMPONENTS
Method: ON_CUST_TREE_FOCUS
Method: CONSTRUCTOR
Method: CREATE_MIME_TREE