Fix for input tab selection

js/util.js

@@ -1280,6 +1280,13 @@ var SN = { // StatusNet
             return false;
         },
 
+        /**
+         * Switch to another active input sub-form.
+         * This will hide the current form (if any), show the new one, and
+         * update the input type tab selection state.
+         *
+         * @param {String} tag
+         */
 	switchInputFormTab: function(tag) {
 	    // The one that's current isn't current anymore
 	    $('.input_form_nav_tab.current').removeClass('current');

lib/action.php

@@ -602,7 +602,7 @@ class Action extends HTMLOutputter // lawsuit
                                'class' => 'input_form_nav_tab');
 
                 if ($tag == 'status') {
-                    $attrs['class'] = 'current';
+                    $attrs['class'] .= ' current';
                 }
 
                 $this->elementStart('li', $attrs);