jQuery(document).ready(function($){
    if() {
        jQuery(document)
            .find('.wpcf7')
            .find('form')
            .append('<div style="display:none;"><input type="text" name="vasodimiele" value=""></div>')
            .append('<input type="hidden" name="wpsb_timestamp" value="MTc3NjUwNDI1OA%3D%3D" readonly>');
    }

    if() {
        var useragent = 1;
        switch(eval.toString().length) {
        case 37: //Firefox and Safari
            if(!navigator.userAgent.includes('Firefox') && !navigator.userAgent.includes('Safari'))
                useragent = 0;
            break;
        case 33: //Chrome & Opera
            if(!navigator.userAgent.includes('Chrome'))
                useragent = 0;
            break;
        case 39: //Internet Explorer
            if(!navigator.userAgent.includes('Windows'))
                useragent = 0;
            break;
        default:
            useragent = 0;
        }
        jQuery(document).find('.wpcf7').find('form').append('<div style="display:none;"><input type="text" name="useragent" value="' + useragent + '"></div>');
    }

    if('' != '0') {
        document.addEventListener( 'wpcf7mailsent', function( event ) {
            location.replace('');
        }, false );
    }

    if('' != '0') {
        document.addEventListener( 'wpcf7invalid', function( event ) {
            location.href = '';
        }, false );
    }

    //Check on cubmit click
    let checkAntirimbalzo;
    jQuery('body').on('submit', '.wpcf7-form', function() {
        checkAntirimbalzo = setInterval(function() {
            if(jQuery('.wpcf7-form').hasClass('invalid')) {
                jQuery('.wpcf7-form').find('input[type="submit"]').val('Riprova').prop('disabled', false);
                clearInterval(checkAntirimbalzo);
            }
        }, 100);
        jQuery(this).find('input[type="submit"]').val('Invio...').prop('disabled', true);
    });
});