(function(webapi, $){
		function safeAjax(ajaxOptions) {
			var deferredAjax = $.Deferred();
	
			shell.getTokenDeferred().done(function (token) {
				// add headers for AJAX
				if (!ajaxOptions.headers) {
					$.extend(ajaxOptions, {
						headers: {
							"__RequestVerificationToken": token
						}
					}); 
				} else {
					ajaxOptions.headers["__RequestVerificationToken"] = token;
				}
				$.ajax(ajaxOptions)
					.done(function(data, textStatus, jqXHR) {
						validateLoginSession(data, textStatus, jqXHR, deferredAjax.resolve);
					}).fail(deferredAjax.reject); //AJAX
			}).fail(function () {
				deferredAjax.rejectWith(this, arguments); // on token failure pass the token AJAX and args
			});
	
			return deferredAjax.promise();	
		}
		webapi.safeAjax = safeAjax;
	})(window.webapi = window.webapi || {}, jQuery)