var originalPrimeFacesAjaxResponseFunction = PrimeFaces.ajax.AjaxResponse; PrimeFaces.ajax.AjaxResponse = function(responseXML) { if (responseXML) { var newViewRoot = $(responseXML.documentElement).find("update[id='javax.faces.ViewRoot']").text(); if (newViewRoot) { $('head').html(newViewRoot.substring(newViewRoot.indexOf("") + 6, newViewRoot.indexOf(""))); $('body').html(newViewRoot.substring(newViewRoot.indexOf("") + 6, newViewRoot.indexOf(""))); } else { //Error here originalPrimeFacesAjaxResponseFunction.apply(this, arguments); } } else { originalPrimeFacesAjaxResponseFunction.apply(this, arguments); } };