$('#input_form_nav_'+tag).addClass('current');
}
+ // Don't remove 'current' if we also have the "nonav" class.
+ // An example would be the message input form. removing
+ // 'current' will cause the form to vanish from the page.
+ var nonav = $('.input_form.current.nonav');
+ if (nonav.length > 0) {
+ return;
+ }
+
$('.input_form.current').removeClass('current');
$('#input_form_'+tag)
.addClass('current')