fnHighLightControls = function () {
		var fnHLStart = function(oControl) {
			var bDisabled = oControl.getEnabled && !oControl.getEnabled();

			// disabled controls should not be highlighted
			if (bDisabled) {
				return;
			}

			if (oControl) {
				oControl.setProperty("highlightAccKeysRef", true);
				oControl.onAccKeysHighlightStart && oControl.onAccKeysHighlightStart();
			}
		};

		AccessKeysEnablement.controlRegistry.forEach(function(oElement) {
			fnHLStart(oElement);
		});
	}
@lends sap.ui.core.AccessKeysEnablement.prototype