code: function (bSwitch) {
  
  			jQuery.sap.require("sap.ui.core.routing.HashChanger");
  			var HashChanger = sap.ui.require("sap/ui/core/routing/HashChanger");
  			var oHashChanger = new HashChanger();
  			var sHash = oHashChanger.getHash();
  			var oUri = window.location;
  
  			// TODO: remove this fix when microsoft fix this under IE11 on Win 10
  			if (!window.location.origin) {
  				window.location.origin = window.location.protocol + "//" +
  					window.location.hostname +
  					(window.location.port ? ':' + window.location.port : '');
  			}
  
  			if (bSwitch) {
  				// add the parameter
  				window.location = oUri.origin + oUri.pathname + "?sap-ui-rtl=true#" + sHash;
  			} else {
  				// or remove it
  				window.location = oUri.origin + oUri.pathname + "#/" + sHash;
  			}
  
  		}
docs: trigger reload w/o URL-Parameter;