Products_class = function() {}; Object.extend(Products_class.prototype, Object.extend(new AjaxPro.AjaxClass(), { Ss: function(id1, id2) { return this.invoke("Ss", {"id1":id1, "id2":id2}, this.Ss.getArguments().slice(2)); }, url: '/ajaxpro/Products,WebApplication1.ashx' })); Products = new Products_class();