fnApplyFocusAndSetModal = function(sMode, oPopover) {
			if (sMode === "navigation") {
				// add focus handlers
				oPopover.oPopup[this._getFocusEventName("add")]();
			} else {
				// remove focus handler
				oPopover.oPopup[this._getFocusEventName("remove")]();
				// ensure the toolbar is visible
				if (this.getRta().getShowToolbars()) {
					this.getRta().getToolbar().bringToFront();
				}
			}
		}
Attached to RTA mode change
@param  {sap.ui.base.Event} oEvent The Event triggered by the mode change