code: function fnAddHTML (oBlockSection, sBlockedLayerId) {
  		var oContainer = document.createElement("div");
  		oContainer.id = sBlockedLayerId;
  		oContainer.className = "sapUiBlockLayer ";
  
  		BlockLayerUtils.addAriaAttributes(oContainer);
  
  		oBlockSection.appendChild(oContainer);
  
  		return oContainer;
  	}
docs: Adds the BlockLayer to the given DOM.
  
  @param {object} oBlockSection The DOM to be appended. This can be a DOM section or the DomRef of a control.
  @param {string} sBlockedLayerId The controls id
  @returns {object} oContainer The block layer DOM
  
  @private