$(function () {
    $(".nav-item .counter").mousedown( function(e) {
        let isBot = 1;
        let targetUrl = $(this).attr('href') || null;
        if(e.which) {
            if(e.screenX && e.screenX !== 0 && e.screenY && e.screenY !== 0) {
                isBot = 0;
            }
        }

        $.ajax({
            dataType: 'JSONP',
            jsonp: "jsonpcallback",
            crossDomain: true,
            url: "https://contentmanager.copernicus.org/cms.php?/new-tools/web-page-counter/egu",
            data: {'bot': isBot, 'target': targetUrl}
        })
        .done(function (dataJson) {
            console.log('Success');
        })
        .fail(function (response, textStatus) {
            console.log(textStatus);
        });
    });
});