var open=false;
var uc=0;
ajaxchat_init();
if (window.addEventListener)
{
  window.addEventListener('onload', ajaxchat_init, false);
}
else if (window.attachEvent)
{
  window.attachEvent('onload', ajaxchat_init);
}
function ajaxchat_init() {
	var cook,split,tmp,i;
	cook=document.cookie.split(";");
	for(i=0;i<cook.length;i++) {
		split=cook[i].split("=");
		if(split[0].match("ajaxchat_open")) {
			if(split[1]=="1") {
				setTimeout(openOnline,500);
			}
		}
	}
	pingIM();
	setInterval(pingIM,10000);
	setTimeout(updateCount,500); //Page should be loaded.
}
function updateCount() {
	var count=document.getElementById("online_count");
	var cReq=getXML();
	cReq.onreadystatechange=function() {
		if(cReq.readyState==4 && cReq.status==200) {
			count.innerHTML=cReq.responseText;
			setTimeout(updateCount,10000); //Every 10 seconds.
		}
	}
	cReq.open("GET","http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=online_count&t="+new Date().getTime());
	cReq.send(null);
}
function im_kp(el, e) {
	if(!e) { e=window.event; }
	if(e.keyCode==13) { updateName(el); }
	
}
function reloadChat() {
	loadEl(document.getElementById("online_list"),"http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=online_list",function() { return true; });
}
function updateName(el) {
	var updateReq=getXML();
	updateReq.onreadystatechange=function() {
		if(updateReq.readyState==4 && updateReq.status==200) {
			document.getElementById("msg").focus();
			reloadChat();
		}
	}
	updateReq.open("GET","http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=updateName&name="+escape(el.value));
	updateReq.send(null);
}
function messagesCB() {
	var el=document.getElementById("messages");
	if(!el) { return false; }
	el.scrollTop=el.scrollHeight;
	if(open) {
		setTimeout("loadEl(document.getElementById(\"messages\"),\"http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=messages\",messagesCB);",1000);
	}
}
function listCB() {
	if(open) {
		setTimeout("loadEl(document.getElementById(\"online_list\"),\"http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=online_list\",listCB);",5000);
	}
}
function openCB() {
	loadEl(document.getElementById("messages"),"http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=messages",messagesCB);
	loadEl(document.getElementById("online_list"),"http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=online_list",listCB);
	el=document.getElementById("msg");
	if(el) { setTimeout("document.getElementById('msg').focus();",200); } //Stupid IE hack
}
function openOnline() {
	if(document.getElementById("online")) {
		document.getElementById("online").parentNode.removeChild(document.getElementById("online"));
		document.cookie="ajaxchat_open=0;";
		open=false;
		return;
	}
	document.cookie="ajaxchat_open=1;";
	open=true;
	var el=document.createElement("div");
	el.style.position="fixed";
	el.style.bottom="20px";
	el.style.right="0px";
	el.style.backgroundColor="#ffffff";
	el.id="online";
	el.innerHTML="<div style='text-align:center;'><img src='http://www.411techblog.com/wp-content/plugins/ajaxchat/loading.gif'></div><div style='font-weight:bold;color:#000;'>Loading..</div>\n";
	document.body.appendChild(el);
	loadEl(el,"http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=online&t="+new Date().getTime(),openCB);
}
function loadEl(el, url, cb) {
	if(!el || !url) { return false; }
	var req=getXML();
	req.onreadystatechange=function() {
		if(req.readyState==4 && req.status==200) {
			el.innerHTML=req.responseText;
			cb();
		}
	};
	req.open("GET",url);
	req.send(null);
}
function getXML() {
        try { httpreq=new XMLHttpRequest(); } catch(err) { try { httpreq=new ActiveXObject("Microsoft.XMLHTTP"); } catch(err) { try { httpreq=new ActiveXObject("Msxml2.XMLHTTP"); } catch(err) { } } }
        if(!httpreq) { alert("XMLHttpRequest not supported"); return false; }
        return httpreq;
}
function pingIM() {
	var pingReq=getXML();
	pingReq.open("GET","http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_ping.php?"+new Date().getTime());
	pingReq.send(null);
}
function msg_kp(el,e) {
	if(!e) { e=window.event; }
	if(e.keyCode==13 && el.value.length) { sendMsg(el.value); el.value=""; }
}
function sendMsg(txt) {
	var sendReq=getXML();
	sendReq.onreadystatechange=function() {
		if(sendReq.readyState==4 && sendReq.status==200) {
			if(sendReq.responseText.match("ERROR")) { alert("There was an error sending your message."); return false; }
		}
	}
	sendReq.open("GET","http://www.411techblog.com/wp-content/plugins/ajaxchat/ajaxchat_xml.php?action=send&msg="+escape(txt));
	sendReq.send(null);
}