var request;
var timer_is_on=0;
var user;

function getAJAX(m, y){
    request = new XMLHttpRequest(); 
    request.open("POST", "/new/calendar/cal_show.php?m=" + m + "&y=" + y);
    request.onreadystatechange = checkData;
    request.send(null);
}
 
function getDiv(page){
    request = new XMLHttpRequest();
    request.open("POST", "/new/" + page + ".php");
    request.onreadystatechange = checkDiv;
    request.send(null);
}

function Chat_Poll(user){
    request = new XMLHttpRequest();
    request.open("POST", "/new/poll.php?user=" + user);
    request.onreadystatechange = checkPoll;
    request.send(null);
    t=setTimeout("Chat_Poll(user)",1000);

}

function checkData(){
    if (request.readyState == 4){
        if (request.status == 200){
            document.getElementById('calendar_panel').innerHTML = request.responseText;
        }
    }
}

function checkDiv(){
    if (request.readyState == 4){
        if (request.status == 200){
            document.getElementById('content_main').innerHTML = request.responseText;
        }
    }
}

function checkPoll(){
    if (request.readyState == 4){
        if (request.status == 200){
            document.getElementById('chat_button').innerHTML = request.responseText;
        }
    }
}

function doTimer(user){
    var user = user;   
    if (!timer_is_on){
        timer_is_on=1;
        Chat_Poll(user);
    }
}