function bizstrait_sections_scroll( section_id ){
    var scroll_up_section_id = "slider-section";

    var $contents = jQuery('#customize-preview iframe').contents();

    switch ( section_id ) {
        case 'accordion-section-slider_section':
        scroll_up_section_id = "slider-section";
        break;

        case 'accordion-section-portfolio_section':
        scroll_up_section_id = "portfolio-section";
        break;

        case 'accordion-section-callout_section':
        scroll_up_section_id = "callout-section";
        break;

        case 'accordion-section-service_section':
        scroll_up_section_id = "service-section";
        break;

        case 'accordion-section-testimonial_section':
        scroll_up_section_id = "testimonial-section";
        break;

        case 'accordion-section-blog_section':
        scroll_up_section_id = "blog-section";
        break;

    }

    if( $contents.find('#'+scroll_up_section_id).length > 0 ){
        $contents.find("html, body").animate({
        scrollTop: $contents.find( "#" + scroll_up_section_id ).offset().top
        }, 1000);
    }
}

 jQuery('body').on('click', '#sub-accordion-panel-homepage_template_settings .control-subsection .accordion-section-title', function(event) {
        var section_id = jQuery(this).parent('.control-subsection').attr('id');
        bizstrait_sections_scroll( section_id );
});