var offset   = 0;
var messages = new Array();
var message  = document.getElementById('message');
var CMem  = document.getElementById('CMem');
var chat  = document.getElementById('chat');
var tmrRead = setTimeout('chat_read_write(false);', 300);

function chat_read_write(post) {
  clearTimeout(tmrRead);
  $.ajax({
   		url: "FChatEngine.php" + (post ? "" : "?r=" + offset + "&u=" + encodeURIComponent(CMem.value)),
		type: (post ? "POST" : "GET"),
        data: (post ? "w=" + encodeURIComponent(message.value) + "&u=" + encodeURIComponent(CMem.value) + ($('#NoAI').attr('checked') ? "&NoAI=1" : "" ) : ""),
		async: true,
		success:function(result){
            parse(result);
	        if(!post){ setTimeout('chat_read_write(false);', 1000);}
        },
        error:function(){
        	if(!post){ setTimeout('chat_read_write(false);', 2000);}
        }
  });
  if(post){message.value = '';}
}


function keyup(e) {
  if (window.event) k = window.event.keyCode;
  else if (e) k = e.which;
  else return true;
  if (k == 13) chat_read_write(true);
}

function chat_display() {
  html = '';
  
  itms = (messages.length <= 35 ? messages : messages.slice(-36));
  
  for (x in itms){
	  html = html + itms[x];
  }

  chat.innerHTML = '<table style="border:none; margin:0; padding:0; width:700px;" cellpadding="0" cellspacing="0" >'+html+'</table>';
  chat.scrollTop = chat.scrollHeight;
}

function cs(o, i, t, u, m, v) {
 if (u == '1'){
    m = decodeURIComponent(m);
    messages[o] = "<tr><td class='tdChat3'></td><td class='tdChat2' valign='top'><div style='width:590px;  overflow:hidden;'>"+GetEmo(m)+"</div></td></tr>";
    
    if (v == 1){
        var tmp = document.createElement("DIV");
        tmp.innerHTML = encodeURIComponent(m);
        spk = tmp.textContent;
            
        // TTS Engine
        currentPlaying = 0;	
        inProgress = true;    
        playingLines = ToLines(spk).split("|||");
        $("#jtts").play(playingLines).bind('onComplete', function() {
            inProgress = false;
        });
    }
 } else {
    m = decodeURIComponent(m);
    messages[o] = "<tr><td id='C" + i + "' class='tdChat1' valign='top'>"+t+"</td><td id='C" + i + "' class='tdChat2' valign='top'><div style='width:590px;  overflow:hidden;'>" + u + "&nbsp;" + GetEmo(m) + "</div></td></tr>";
 }
  
  if (o > offset) {
    offset = o;
    window.focus();
    message.focus();
  }
}

function parse(s) {
  if (s != '') {
    s = decodeURIComponent(s);
    eval(s);
    chat_display();
  }
}