ton = $(this).find('button');
                var button_label = button.html();
                if (button_label.indexOf('<img style') == -1) {
                    var html_icon = '<img style="max-width: 20px; height: 20px; width: 20px;" src="/enerpi/static/labels_icons/' + id_div.substring(idx_icon + 6, id_div.length) + '.svg">'
                    button.html(html_icon + ' ' + button_label.trim());
                } 
                if (id_div.indexOf('label_used') > 0) {
                    button.addCla