chat.js

gistfile1.js

var instanse = false;
var state;
var mes;
var file;

function Chat () {
    this.update = updateChat;
    this.send = sendChat;
    this.getState = getStateOfChat;
}

//gets the state of the chat
function getStateOfChat(){
    if(!instanse){
         instanse = true;
         $.ajax({
               type: "POST",
               url: "chat/process.php",
               data: {
                   'function': 'getState',
                    'file': file
                        },
               dataType: "json",
               success: function(data){
                   state = data.state;
               },
               timeout: 1000,
               complete: function() { instanse = false; }
            });
    }
}

//Updates the chat
function updateChat(){
     if(!instanse){
         instanse = true;
         $.ajax({
               type: "POST",
               url: "chat/process.php",
               data: {
                       'function': 'update',
                        'state': state,
                        'file': file
                        },
               dataType: "json",
               success: function(data){
                   if(data.text){
                        for (var i = 0; i < data.text.length; i++) {
                            $('#chat-area').append($("<p>"+ data.text[i] +"</p>"));
                        }
                   }
                   document.getElementById('chat-area').scrollTop = document.getElementById('chat-area').scrollHeight;
                   state = data.state;
               },
              timeout: 1000,
              complete: function() { instanse = false; }
            });
     }
}

//send the message
function sendChat(message, nickname)
{
     $.ajax({
           type: "POST",
           url: "chat/process.php",
           data: {
                    'function': 'send',
                    'message': message,
                    'nickname': nickname,
                    'file': file
                 },
           dataType: "json"
        });
}