code: function getContentType(oResponse) {
  	if (oResponse && oResponse.headers) {
  		for (var sHeader in oResponse.headers) {
  			if (sHeader.toLowerCase() === "content-type") {
  				return oResponse.headers[sHeader].replace(/([^;]*);.*/, "$1");
  			}
  		}
  	}
  	return false;
  }
docs: /////////////////////////////////////// Hidden Functions ///////////////////////////////////////// 
  Returns the content-type header of the given response, it searches in a case-insentitive way for
  the header
  
  @param {object} oResponse - The response object from which the body property will be used
  @return {string|false} Either the content-type header content or false if none is found
  @private