bool VJSXMLHttpRequest::_OnReadyStateChange(XBOX::VJSParms_setProperty& ioParms, XMLHttpRequest* inXhr)
{
    XBOX::VJSObject pReceiver=ioParms.GetObject();
    XBOX::VJSObject pHandler(pReceiver);
    ioParms.GetPropertyValue().GetObject(pHandler, NULL);

    if(pHandler.IsFunction() && inXhr)
    {
        XBOX::VError res=inXhr->OnReadyStateChange(pReceiver, pHandler);

        if(res!=XBOX::VE_OK)
            XBOX::vThrowError(res);
    }
    else
        XBOX::vThrowError(VE_XHRQ_JS_BINDING_ERROR);

    return true;    //todo - mouai, voir ca de plus pres...
}