This iframe contains the logic required to handle AJAX powered Gravity Forms.

//
jQuery(document).ready(function($){gformInitSpinner( 5, 'http://nathangarnett.com/wp-content/plugins/gravityforms/images/spinner.gif' );jQuery('#gform_ajax_frame_5').load( function(){var contents = jQuery(this).contents().find('*').html();var is_postback = contents.indexOf('GF_AJAX_POSTBACK') >= 0;if(!is_postback){return;}var form_content = jQuery(this).contents().find('#gform_wrapper_5');var is_confirmation = jQuery(this).contents().find('#gform_confirmation_wrapper_5').length > 0;var is_redirect = contents.indexOf('gformRedirect(){') >= 0;var is_form = form_content.length > 0 && ! is_redirect && ! is_confirmation;if(is_form){jQuery('#gform_wrapper_5').html(form_content.html());if(form_content.hasClass('gform_validation_error')){jQuery('#gform_wrapper_5').addClass('gform_validation_error');} else {jQuery('#gform_wrapper_5').removeClass('gform_validation_error');}setTimeout( function() { /* delay the scroll by 50 milliseconds to fix a bug in chrome */ jQuery(document).scrollTop(jQuery('#gform_wrapper_5').offset().top); }, 50 );if(window['gformInitDatepicker']) {gformInitDatepicker();}if(window['gformInitPriceFields']) {gformInitPriceFields();}var current_page = jQuery('#gform_source_page_number_5').val();gformInitSpinner( 5, 'http://nathangarnett.com/wp-content/plugins/gravityforms/images/spinner.gif' );jQuery(document).trigger('gform_page_loaded', [5, current_page]);window['gf_submitting_5'] = false;}else if(!is_redirect){var confirmation_content = jQuery(this).contents().find('#gforms_confirmation_message_5').html();if(!confirmation_content){confirmation_content = contents;}setTimeout(function(){jQuery('#gform_wrapper_5').replaceWith('<' + 'div id=\'gforms_confirmation_message_5\' class=\'gform_confirmation_message_5 gforms_confirmation_message\'' + '>' + confirmation_content + '<' + '/div' + '>');jQuery(document).scrollTop(jQuery('#gforms_confirmation_message_5').offset().top);jQuery(document).trigger('gform_confirmation_loaded', [5]);window['gf_submitting_5'] = false;}, 50);}else{jQuery('#gform_5').append(contents);if(window['gformRedirect']) {gformRedirect();}}jQuery(document).trigger('gform_post_render', [5, current_page]);} );} );

//]]>



//
if(typeof gf_global == 'undefined') var gf_global = {"gf_currency_config":{"name":"U.S. Dollar","symbol_left":"$","symbol_right":"","symbol_padding":"","thousand_separator":",","decimal_separator":".","decimals":2},"base_url":"http:\/\/nathangarnett.com\/wp-content\/plugins\/gravityforms","number_formats":[],"spinnerUrl":"http:\/\/nathangarnett.com\/wp-content\/plugins\/gravityforms\/images\/spinner.gif"};jQuery(document).bind('gform_post_render', function(event, formId, currentPage){if(formId == 5) {} } );jQuery(document).bind('gform_post_conditional_logic', function(event, formId, fields, isInit){} );

//]]>



//
jQuery(document).ready(function(){jQuery(document).trigger('gform_post_render', [5, 1]) } );

//]]>







via nathangarnettnathangarnett http://nathangarnett.com/order-explainer-video-package-test/