Add some nice defaults for jQuery ajax

public/javascripts/application.js

@@ -465,6 +465,15 @@ jQuery.viewportHeight = function() {
         document.body.clientHeight;
 };
 
+// Automatically use format.js for jQuery Ajax
+jQuery.ajaxSetup({
+  'beforeSend': function(xhr) {xhr.setRequestHeader("Accept", "text/javascript")}
+})
+
+// Show/hide the ajax indicators
+jQuery("#ajax-indicator").ajaxStart(function(){ jQuery(this).show().css('z-index', '9999');  });
+jQuery("#ajax-indicator").ajaxStop(function(){ jQuery(this).hide();  });
+
 /* TODO: integrate with existing code and/or refactor */
 jQuery(document).ready(function($) {