Add Sanjiv Jivan's blod entry.

doc/xdocs/articles.html

@@ -40,6 +40,9 @@
     <li><b><a href="powering.html">Numerous frameworks using Acegi Security</a></b>:
 		Look here first for how to integrate with major third-party frameworks...<br><br>
 	</li>
+    <li><b><a href="http://jroller.com/page/sjivan?entry=ajax_based_login_using_aceci">AJAX-based login via Acegi Security</a></b>:
+		Sanjiv Jivan offers a way of approaching AJAX login.<br><br>
+	</li>
     <li><b><a href="http://weblog.morosystems.cz/spring/Spring-Acegi-JCaptcha-integration">Acegi Security and Captcha Layer</a></b>:
 		How to use Acegi Security with JCaptcha.<br><br>
 	</li>