/* == FUNCTIONS ================================= */

// calendar change
function change_calendar(method){
    var url = "/change_calendar.php";
    var year = $("year").value;
    var month = $("month").value;
    var category = $("category").value;
    var pbody = "&method=" + method + "&year=" + year + "&month=" + month + "&category=" + category;
    var ajax = new Ajax.Request(url, {
                    method: 'post', 
                    postBody: pbody,
                    onComplete: changeComp
                });
}

// calendar change complete
function changeComp(httpObj){
    var response = httpObj.responseText;
    $("archives").innerHTML = response;
}