var _sendHttp = GetXmlHttpObject();
		var _recHttp = GetXmlHttpObject();
		var _lastMsg = new Array();
		var mTimer = new Array();
		var _popped = new Array();
		var _lastPop = 1;
		var _nrPop = 1;
		var _roomPop = new Array();
		var _newRoom;
		var _thisRoom;
		var _popPos = new Array("0", "100", "200", "380", "560", "740");
		var _listTip;
		
		function listChat() {
		
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=listChat";
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					var xmlDoc = xmlHttp.responseXML;
					if (xmlDoc != null) {
						_listTip = "";
						var room_nodes = xmlDoc.getElementsByTagName("Room");
						var n_rooms = room_nodes.length;
						for (i = 0; i < n_rooms; i++) {
							if (room_nodes[i].getElementsByTagName("ID")[0])
								_listTip+= "<a href='javascript:;' onclick='connectTo(\""+room_nodes[i].getElementsByTagName("ID")[0].firstChild.nodeValue+"\", \"1\"); hideDyn(\"listDyn\");'>";
							if (room_nodes[i].getElementsByTagName("Name")[0])
								_listTip+= room_nodes[i].getElementsByTagName("Name")[0].firstChild.nodeValue;
							if (room_nodes[i].getElementsByTagName("ID")[0])
								_listTip+= " #"+room_nodes[i].getElementsByTagName("ID")[0].firstChild.nodeValue;
							if (room_nodes[i].getElementsByTagName("Author")[0])
								_listTip+= " by "+room_nodes[i].getElementsByTagName("Author")[0].firstChild.nodeValue;
							if (room_nodes[i].getElementsByTagName("ID")[0])
								_listTip+= "</a>";

							_listTip+= "<br />";
						}
						switchDyn("listDyn", _listTip);
					}
				}
			}
			xmlHttp.send(null);

		}
		
		function listMembers(cid) {
		
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=listMembers&id="+cid;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					var xmlDoc = xmlHttp.responseXML;
					if (xmlDoc != null) {
						_listmTip = "";
						var name_nodes = xmlDoc.getElementsByTagName("Name");
						var n_names = name_nodes.length;
						for (i = 0; i < n_names; i++) {
							
							if (name_nodes[i].getAttribute('id'))
								_listmTip+= "<a href='/forum/members.php?id="+name_nodes[i].getAttribute('id')+"'>";
								
							_listmTip+= name_nodes[i].firstChild.nodeValue;
							
							if (name_nodes[i].getAttribute('id'))
								_listmTip+= "</a>";

							_listmTip+= "<br />";
						}
						switchDyn("listmDyn", _listmTip);
					}
				}
			}
			xmlHttp.send(null);

		}
		
		function showList() {
		
			listChat();
			
		
		}
		
		function chatLook() {
		
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=chatLook";
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					var xmlDoc = xmlHttp.responseXML;
					if (xmlDoc != null) {
						var room_nodes = xmlDoc.getElementsByTagName("Room");
						var n_rooms = room_nodes.length;
						for (i = 0; i < n_rooms; i++) {
							var chid = room_nodes[i].firstChild.nodeValue;
							var lid = room_nodes[i].getAttribute('id');
							if (lid == "invite") 
								acceptInvite(chid);
							else if (!document.getElementById("winChat"+chid) && (lid>_lastMsg[chid] || _lastMsg[chid] == null))
								connectTo(chid);
						}
					}
					setTimeout('chatLook();',2000);
				}
			}
			xmlHttp.send(null);			
		
		}
		
		function startChat(cid) {
			getChatText(cid);
		}
		
		function scrollDown(id) {
		
			document.getElementById(id).scrollTop = document.getElementById(id).scrollHeight
		
		}
		
		function chatMenu(cid, id, priv) {
			var menu = "<a href='javascript:;' onclick='sidePop(\""+id+"\"); hideDyn(\"Op"+cid+"\");'>Hide window</a>";
			menu+= "<br /><a href='javascript:;' onclick='closeChatWin(\""+cid+"\", \""+id+"\"); hideDyn(\"Op"+cid+"\");'>Close window</a>";
			if (priv == 0 || priv == null || priv == "undefined" || !priv)
				menu+= "<br /><a href='javascript:;' onclick='pinChat(\""+cid+"\"); hideDyn(\"Op"+cid+"\");'><span id='pin"+cid+"'>(Un)pin chat</span></a>";
			menu+= "<br /><a href='javascript:;' onclick='leaveChat(\""+cid+"\", \""+id+"\"); hideDyn(\"Op"+cid+"\");'>Leave chat</a>";
			menu+= "<br /><a href='javascript:;' onclick='listMembers(\""+cid+"\")'>List members</a>";
			menu+= "<br /><a href='javascript:;' onclick='invMemberDyn(\""+cid+"\")'>Invite member</a>";
			menu+= "<br /><a href='javascript:;' onclick='saveChat(\""+cid+"\")'>Save chat log</a>";
			menu+= "<br /><a href='javascript:;' onclick='terminateChat(\""+cid+"\", \""+id+"\"); hideDyn(\"Op"+cid+"\");'>Kill chat</a>";
			switchDyn("Op"+cid, menu);
		}
		
		function createRoom(priv, hide) {
			if (hide)
				var v = newPop("1");
			else
				var v = newPop();
			if (!v)
				return false;
			var popDiv = document.getElementById("sidepopped"+_lastPop);
			popDiv.innerHTML = "Chat #"+_newRoom;
			if (priv)
				popDiv.innerHTML+= " (private)";
			else
				popDiv.innerHTML+= " (public)";
			popDiv.innerHTML+= "<br /><div id='winChat"+_newRoom+"' class='winChat'></div>";
			popDiv.innerHTML+= "<form style='margin: 0 0 3px 0;' onsubmit='return blockSubmit(\""+_newRoom+"\");'><input id=\"ChatMessage"+_newRoom+"\" class=\"textbox_g2\" name=\"ChatMessage\" /> <input type=\"button\" value=\"Send\" name=\"ChatSend\" onclick='sendChatText(\""+_newRoom+"\");' />";
			popDiv.innerHTML+= "</form>";
			popDiv.innerHTML+= "<a href='javascript:;' onclick='chatMenu(\""+_newRoom+"\", \""+_lastPop+"\", \""+priv+"\");'>Options</a>";
			startChat(_newRoom);
			_roomPop[_newRoom] = _lastPop;
			document.getElementById("ChatMessage"+_newRoom).focus();
		}
		
		function createChatRoom(priv) {
		
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=newChat";
			if (priv) {
				if (!document.getElementById("chatWith"))
					return;
				var chatWith = document.getElementById("chatWith").value;
				chatWith = urlCode(chatWith);
				url+= "&cw="+chatWith;
				hideDyn("privDyn");
			}
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					var xmlDoc = xmlHttp.responseXML;
					if (xmlDoc == null)
						return;
					_newRoom = xmlDoc.getElementsByTagName("Room")[0].firstChild.nodeValue;
					_lastMsg[_newRoom] = 0;
					if (priv)
						createRoom(1);
					else
						createRoom();					
				}
			}
			xmlHttp.send(null);
		}
			
		function getChatText(cid) {
			if (_recHttp.readyState == 4 || _recHttp.readyState == 0) {
				_recHttp.open("GET", '/ajaxchat.php?cmd=getMsgs&id='+cid+'&lid=' + _lastMsg[cid], true);
				_recHttp.onreadystatechange = function() {
					if (_recHttp.readyState == 4) { 
						handleReceiveChat(cid);
					} 
				};
				_recHttp.send(null);
			}
		}
		
		function handleReceiveChat(cid) {
		
			if (!cid)
				return;
		
			if (!document.getElementById('winChat'+cid)) {
				clearTimeout(mTimer[cid]);
				return;
			}
				
			var chat_div = document.getElementById('winChat'+cid);
			var xmlDoc = _recHttp.responseXML;
			if (xmlDoc != null) {
				var message_nodes = xmlDoc.getElementsByTagName("Message");
				var n_messages = message_nodes.length;
				var newm = 0;
				for (i = 0; i < n_messages; i++) {
					newm++;
					var user_node = message_nodes[i].getElementsByTagName("Author");
					var text_node = message_nodes[i].getElementsByTagName("Text");
					var time_node = message_nodes[i].getElementsByTagName("Time");
					var chatTime = "Message sent: "+time_node[0].firstChild.nodeValue;
					if (user_node[0].firstChild.nodeValue == "0") {
						chat_div.innerHTML += "<span class='chatSystem' onmouseover='showTip(\"chatTime\", \""+chatTime+"\")' onmouseout='hideTip(\"chatTime\")' onmousemove='moveTip(\"chatTime\")'>"+text_node[0].firstChild.nodeValue+"</span>";
						var saveLog = confirm(text_node[0].firstChild.nodeValue+"\nSave Chat log?");
						if (saveLog)
							saveChat(cid);
						closePop(_roomPop[cid]);
						return;
					}
					else {
						chat_div.innerHTML += "<span class='chatSender' onmouseover='showTip(\"chatTime\", \""+chatTime+"\")' onmouseout='hideTip(\"chatTime\")' onmousemove='moveTip(\"chatTime\")'>"+ user_node[0].firstChild.nodeValue +"</span>";
						chat_div.innerHTML += "<span class='chatDelimiter'> &raquo;</span> ";
						chat_div.innerHTML += text_node[0].firstChild.nodeValue + "<br />";
					}
					_lastMsg[cid] = (message_nodes[i].getAttribute('id'));
				}
				if (newm)
					document.getElementById("winChat"+cid).scrollTop = document.getElementById("winChat"+cid).scrollHeight;
			}
			mTimer[cid] = setTimeout('getChatText("'+cid+'");',500);
		}
		
		function sendChatText(cid) {
			if (_sendHttp.readyState == 4 || _sendHttp.readyState == 0) {
				_sendHttp.open("POST", '/ajaxchat.php?id='+cid, true);
				_sendHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
				_sendHttp.onreadystatechange = function () { handleSendChat(cid);};
				var param = 'ChatMessage=' + urlCode(document.getElementById('ChatMessage'+cid).value);
				_sendHttp.send(param);
				document.getElementById('ChatMessage'+cid).value = '';
				document.getElementById('ChatMessage'+cid).focus();
			}
		}
		
		function handleSendChat(cid) {
			clearTimeout(mTimer[cid]);
			getChatText(cid);
		}

		function blockSubmit(cid) {
			sendChatText(cid);
			return false;
		}
		
		/*
		
		function GetXmlHttpObject()
		{
			var xmlHttp=null;
			try  // Firefox, Opera 8.0+, Safari
			{		
				xmlHttp=new XMLHttpRequest();
			}
			catch (e) // Internet Explorer 6.0+
			{  
				try
				{
					xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
				}
				// 5.5+
				catch (e)
				{
					xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				}
			}
			
			return xmlHttp;
		}
		
		*/
		
		function sidePop(id, cid) {
		
			if (!_popped[id]) {
				document.getElementById("sidepopped"+id).style.display = "block";
				document.getElementById("sidepopper"+id).style.display = "none";
				_popped[id] = true;
				if (cid)
					scrollDown("winChat"+cid);
			}
			else {
				document.getElementById("sidepopper"+id).style.display = "block";
				document.getElementById("sidepopped"+id).style.display = "none";
				_popped[id] = false;
			}
		
		}
		
		function newPop(hide) {
	
			// Popped
			var nextPop = null;
			for (var i=2; i<6; i++) {
				if (!document.getElementById("sidepopped"+i)) {
					nextPop = i;
					break;
				}
			}
			if (nextPop == null) {
				alert("You can only have 4 chat windows");
				return false;
			}
	
			var popDiv = document.createElement('div');
			popDiv.setAttribute('id', "sidepopped"+nextPop);

			popDiv.className = "sidepopped";	

			document.body.appendChild(popDiv);
		
				
			popDiv.style.top = _popPos[nextPop]+"px";
			if (hide)
				popDiv.style.display = "none";
			else
				popDiv.style.display = "block";
			
			// Popper
			
			var popperDiv = document.createElement('div');
			popperDiv.setAttribute('id', "sidepopper"+nextPop);
			popperDiv.setAttribute('onclick', "sidePop(\""+nextPop+"\", \""+_newRoom+"\")");
			
			popperDiv.className = "sidepopper";
			
			document.body.appendChild(popperDiv);
				
			popperDiv.style.top = parseInt(_popPos[nextPop])+50+"px";
			if (hide)
				popperDiv.style.display = "block";
			else
				popperDiv.style.display = "none";
			
			// Finish
			
			_nrPop++;
			_lastPop = nextPop;
			if (hide)
				_popped[_lastPop] = false;
			else
				_popped[_lastPop] = true;
			
			return true;
		}
		
		function closePop(id) {
		
			if (!document.getElementById("sidepopped"+id))
				return;
				
			document.body.removeChild(document.getElementById("sidepopper"+id));
			document.body.removeChild(document.getElementById("sidepopped"+id));
			_popped[id] = false;
			_nrPop--;
			
		}
		
		function urlCode(text) {
			
			text = text.replace("$", "%24");
			text = text.replace("&", "%26");
			text = text.replace("+", "%2B");
			text = text.replace("?", "%3F");
			text = text.replace("=", "%3D");
			text = text.replace("/", "%2F");
			text = text.replace("@", "%40");
			text = text.replace(";", "%3B");
			text = text.replace(":", "%3A");
			text = text.replace(" ", "%20");
		
			return text;
		
		}
		
		function invMemberDyn(cid) {
		
			var invDyn = "<form onsubmit='return blockInv(\""+cid+"\")'>Invite: <input type='text' name='invMember"+cid+"' id='invMember"+cid+"' class='textbox_g2' /> <input type='button' value='Go' onclick='invMember(\""+cid+"\")' /></form>";
			
			switchDyn("invDyn", invDyn);
			document.getElementById("invMember"+cid).focus();
		
		}
		
		function blockInv(cid) {
		
			invMember(cid);
			return false;
		
		}
		
		function invMember(cid) {
		
			if (!document.getElementById("invMember"+cid))
				return;
			var chatWith = document.getElementById("invMember"+cid).value;
			chatWith = urlCode(chatWith);
			hideDyn("invDyn");
		
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=invMember&id="+cid+"&cw="+chatWith;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					
				}
			}
			xmlHttp.send(null);			
		}
		
		function acceptInvite(cid) {
		
			var accept = confirm("You have been invite to chat room #"+cid+", would you like to join?");
			if (accept)		
				var cmd = "acceptInv";
			else
				var cmd = "declineInv";
			
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd="+cmd+"&id="+cid;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					var xmlDoc = xmlHttp.responseXML;
					if (xmlDoc != null) {
						var access = xmlDoc.getElementsByTagName("Room")[0].firstChild.nodeValue;
						if (access == "private")
							createRoom(1, 0);
						else
							createRoom(0, 0);
					}
				}
			}
			xmlHttp.send(null);				
		
		}
		
		function saveChat(cid) {
		
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=saveChatLog&id="+cid;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					alert("Chat log sent to your inbox");
				}
			}
			xmlHttp.send(null);			
		
		}
		
		function closeChatWin(cid, id) {
		
			clearTimeout(mTimer[cid]);
			closePop(id);
		}
		
		function terminateChat(cid, id) {
		
			var sure = confirm("Terminate chat room?");
			
			if (!sure)
				return;
		
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=delChat&id="+cid;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					closeChatWin(cid, id);
				}
			}
			xmlHttp.send(null);
		
		}
		
		function leaveChat(cid, id) {
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=leaveChat&id="+cid;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					closeChatWin(cid, id);
				}
			}
			xmlHttp.send(null);
			
		}
		
		function pinChat(cid) {
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=pinChat&id="+cid;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {

				}
			}
			xmlHttp.send(null);		
		}
		
		function blockPriv() {
		
			createChatRoom("1");
			return false;
		
		}
		
		function connectTo(cid, show) {
			
			if (show)
				var h = 0;
			else
				var h = 1;
			
			cid = parseInt(cid);
			
			if (document.getElementById("winChat"+cid)) {
				alert("You are already in that chat room");
				return;
			}
			
			var xmlHttp = GetXmlHttpObject();
			var url = "/ajaxchat.php?cmd=joinChat&id="+cid;
			xmlHttp.open("GET", url, true);
			xmlHttp.onreadystatechange = function() {
				if (xmlHttp.readyState == 4) {
					var xmlDoc = xmlHttp.responseXML;
					if (xmlDoc == null)
						return;
					_thisRoom = xmlDoc.getElementsByTagName("Room")[0].firstChild.nodeValue;
					if (_thisRoom == "denied") {
						alert("Sorry, that chat room is private.");
						return;
					}
					if (_thisRoom == "empty") {
						alert("That chat room doesn't exist.");
						return;
					}
					
					_newRoom = cid;
					_lastMsg[cid] = 0;
					if (_thisRoom == "private")
						createRoom(1, h);
					else
						createRoom(0, h);
				
					document.getElementById("ChatNr").value = '';
				}
			}
			xmlHttp.send(null);			
		
		}
		
		function connectChat() {
		
			var ChatID = document.getElementById("ChatNr").value;
			ChatID = parseInt(ChatID);
			
			connectTo(ChatID, 1);
		
		}
		
		function blockConnect() {
			connectChat();
			return false;
		}
		
		function createPrivRoom() {	
			createChatRoom("1");
		}
		
		function showH() {
			show("hint");
		}
		
		function hideS() {
			hideslow("hint");
		}
	
		function showHi(ev) {
			showHint(document.getElementById("chatWith").value, "userhint", ev, "chatWith");
		}