https://stamen.com/wp-content/plugins/newfangled-progressive-profiling/js/smartforms-collapse.js?ver=2.2.15

1jQuery( document ).ready(function() {
2
3    jQuery('body').on( 'click', '.smartform-collapse .smartform-collapse-toggletext', function(){
4
5        jQuery( '.gform_body, .gform_footer', jQuery(this).parent() ).toggle();
6        jQuery(this).parent().toggleClass( 'smartform-collapse-expanded' );
7
8    })
9
10    jQuery(document).bind('gform_post_render', function(e, formId, current_page){
11        
12        _parent = jQuery('#gform_' + formId ).closest('.smartform');
13
14        if (!jQuery(_parent).length) {
15            return;
16        }
17        
18        jQuery(_parent).addClass('smartform-loaded');
19        jQuery(_parent).removeClass('ajaxcontent-loading');
20        jQuery(_parent).removeClass('nf-ajax-loading');
21
22        _elem = jQuery('#gform_' + formId).find('.validation_error');
23        
24        if(_elem.length){
25
26            jQuery( '.gform_body, .gform_footer', jQuery('#gform_' + formId ) ).show();
27        
28        }
29
30    });
31
32});