         return
 
     _xhrHeaders = (xhr, settings) ->
-        settings.headers["Content-Type"] = settings.contentType  if settings.contentType
-        settings.headers["Accept"] = MIME_TYPES[settings.dataType]  if settings.dataType
+        settings.headers["Content-Type"] = settings.contentType if settings.contentType
+        settings.headers["Accept"] = MIME_TYPES[settings.dataType] if settings.dataType
         for header of settings.headers
             xhr.setRequestHeader header, settings.headers[header]
         return

                    response = JSON.parse(response)
                catch error
                    response = error
                    _xhrError "Parse Error", xhr, settings
            else response = xhr.responseXML    if settings.dataType is "xml"
        response


                _xhrSuccess _parseResponse(xhr, settings), xhr, settings
                return
        else
            _xhrError "QuoJS.ajax: Unsuccesful request", xhr, settings
            return

    _xhrSuccess = (response, xhr, settings) ->
