/*
$('#nationalDays').datepicker({beforeShowDay: nationalDays}); 
 
// Highlight certain national days on the calendar 
var natDays = [[1, 26, 'au'], [2, 6, 'nz'], [3, 17, 'ie'], [4, 27, 'za'], [5, 25, 'ar'], [6, 6, 'se'], 
    [7, 4, 'us'], [8, 17, 'id'], [9, 7, 'br'], [10, 1, 'cn'], [11, 22, 'lb'], [12, 12, 'ke']]; 
 
function nationalDays(date) { 
    for (i = 0; i < natDays.length; i++) { 
        if (date.getMonth() == natDays[i][0] - 1 && date.getDate() == natDays[i][1]) { 
            return [false, natDays[i][2] + '_day']; 
        } 
    } 
    return [true, '']; 
} 

With CSS like the following:
.au_day { color: blue !important; background: #eee url(au.gif) no-repeat center !important; }
*/