Called by the flash plugin once the state of one of the active connections changes.
@param {Number/number} javascriptId the ID of the connection.
@param {number} state the state of the connection. Equivalent to readyState numbers in XHR.
@param {Object} data optional object containing the returned data, error and status codes.
@private
function(javascriptId, state, data) {
            var connection;
            // Identify the request this is for
            connection = this.liveConnections[Number(javascriptId)]; // Make sure its a native number
            if (connection) {
                connection.onFlashStateChange(state, data);
            } 
            //<debug>
            else {
                Ext.warn.log("onFlashStateChange for unknown connection ID: " + javascriptId);
            }
            //</debug>
        }