// Setup del chart desiderato con id univoco
window.setup = (id, config) => {
    var ctx = document.getElementById(id).getContext('2d');
    //let currentDate = new Date();
    //console.log(currentDate + " - Calling setup...");
    //console.log(id);
    if (window['chart-' + id] instanceof Chart) {
        //window.myChart.destroy();
        window['chart-' + id].destroy();
        //console.log("Chart " + id + " destroyed!");
    }

    window['chart-' + id] = new Chart(ctx, config);
    //console.log("Chart " + id + " created!");
    //console.log(window['chart-' + id]);
}