// CAPTURA EVENTOS
Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(beginRequest);
Sys.WebForms.PageRequestManager.getInstance().add_endRequest(endRequest);

function beginRequest(sender, args) {
    $find('ModalProgress').show();
}

function endRequest(sender, args) {
    // TODO EVENTO QUE INICE POSTBACK MUESTRA PROGRESO
    $find('ModalProgress').hide();
}


//var mpeLoading;
//function initializeRequest(sender, args){
//    mpeLoading = $find('idmpeLoading');
//    mpeLoading.show();
//    mpeLoading._backgroundElement.style.zIndex += 10;
//    mpeLoading._foregroundElement.style.zIndex += 10;
//}
//function endRequest(sender, args){
//    $find('idmpeLoading').hide();
//}
//Sys.WebForms.PageRequestManager.getInstance().add_initializeRequest(initializeRequest);
//Sys.WebForms.PageRequestManager.getInstance().add_endRequest(endRequest); 

//if (typeof(Sys) !== 'undefined') Sys.Application.notifyScriptLoaded();