var lastMessage = 0;
var myTimer;

function _getAjaxManager(){	
	try {
	   xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
	   try {
	     xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	   } catch (E) {
	     xmlhttp = false;
	  }
	}

	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		try {
			xmlhttp = new XMLHttpRequest();
		} catch (e) {
			xmlhttp=false;
		}
	}

	if (!xmlhttp && window.createRequest) {
		try {
			xmlhttp = window.createRequest();
		} catch (e) {
			xmlhttp=false;
		}
	}

	return (xmlhttp);
}

function getAjaxManager(){	
	if (window.XMLHttpRequest) { 
		ajaxManager = new XMLHttpRequest();
		if (ajaxManager.overrideMimeType) {
			ajaxManager.overrideMimeType('text/xml');
		}

	} else if (window.ActiveXObject) { 
		try {
			ajaxManager = new ActiveXObject("Msxml2.XMLHTTP");

		} catch (e) {
			try {
				ajaxManager = new ActiveXObject("Microsoft.XMLHTTP");

			} catch (e) {}
		}

	} else {

	}
	
	return (ajaxManager);
}

function silentHandler(ajaxManager, type){
	//if (ajaxManager.readyState == 4) {
	
	//}
}

function responseHandler(ajaxManager, type) {
	if (ajaxManager.readyState == 4 || ajaxManager.readyState == 0) {

	   try {
		if (ajaxManager.status && ajaxManager.status == 200) {
			if(type=='silent'){
				// be silent

			} else if(type=='test'){
				alert(ajaxManager.responseText);
			
			} else if(type=='chat'){
				chatHandler(ajaxManager);
			
			} else {
				setContent(ajaxManager.responseText, type);
			
			}
		}
	

	   } catch(e) {
		//alert("Exception : " + e);
	   }
        }
}

function doAjax(ajaxManager, url, type, parameters) {
	if(!ajaxManager) {
	   alert('Cannot create an XMLHTTP instance');
	   return false;
	}

	if('silent' == type){
	   ajaxManager.onreadystatechange = foo;
	} else {
	   ajaxManager.onreadystatechange = function() { responseHandler(ajaxManager, type); };
	}

      	try {
	      	ajaxManager.open('POST', url, true);
	} catch(e) {
	
	}
      	
        
        try{
      	     ajaxManager.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=UTF-8");
      	     ajaxManager.setRequestHeader("Content-length", parameters.length);
      	     ajaxManager.setRequestHeader("Connection", "close");

	} catch(e) {
	      //alert("Exception : " + e);
	}

        try{
      	     ajaxManager.send(parameters);		
      	} catch(e){
      	
      	}
}

function NameValuePair(n,v){
	this.name=n;
	this.value=v;
} 

function foo(){

}

function callApi(url, type, parameters) {
	var ajaxManager = getAjaxManager();

	if(!ajaxManager) {
	   alert('Giving up :( Cannot create an XMLHTTP instance');
	   return false;
	}

	ajaxManager.onreadystatechange = function() { responseHandler(ajaxManager, type); };

      	try{
      	   ajaxManager.open('POST', url, true);

	} catch(e) {
	
	}
      	ajaxManager.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      	ajaxManager.setRequestHeader("Content-length", parameters.length);
      	ajaxManager.setRequestHeader("Connection", "close");
      	ajaxManager.send(parameters);		
}

function chatHandler(ajaxManager){
	var chat_here = document.getElementById('chat_here');
	var xmldoc = ajaxManager.responseXML;
	var my_messages = xmldoc.getElementsByTagName("message");
	var control = my_messages.length

	if(control > 0){
		for(var x=0; x<control; x++) {		
			var userBlock = my_messages[x].getElementsByTagName("user");
			var textBlock = my_messages[x].getElementsByTagName("text");
			var tagBlock = my_messages[x].getElementsByTagName("tag");

			if(userBlock[0].firstChild && textBlock[0].firstChild) {
			   chat_here.innerHTML += '<b class="'+ tagBlock[0].firstChild.nodeValue + '">' + userBlock[0].firstChild.nodeValue + ':</b>&nbsp;';
			   chat_here.innerHTML += textBlock[0].firstChild.nodeValue + '<br />';

			} else if(textBlock[0].firstChild) {			
			   chat_here.innerHTML += '<b>' + textBlock[0].firstChild.nodeValue + '</b><br />';

			} else {
			   // now what?
			   chat_here.innerHTML += '<b>error occured: no text or user</b><br />';
			}

			chat_here.scrollTop = chat_here.scrollHeight;
			lastMessage = (my_messages[x].getAttribute('id'));		
		}
	}

	clearInterval(myTimer);
	myTimer = setTimeout('getChatText()',2000);
	getChatText();
}		

function applyDisplay(element, value) {
    document.getElementById(element).style.display = value;
}

function doTranscripts(){
   var myval = 'none';

   if(document.getElementById('transcript').style.display == 'none'){
      myval = '';
   }

   applyDisplay('transcript', myval);
}

function setContent(new_content, my_tag) {
    if(!document.getElementById || !document.getElementsByTagName) return;
    var container = '';
    if(my_tag){
    	if(container = document.getElementById(my_tag)){
    	    container.innerHTML = new_content;
    	}
    }
}

function getCookie(cookieName) {
	var name = cookieName;
	var search = name + "=";
	if(document.cookie.length > 0) {
		var offset = document.cookie.indexOf(search);
		if(offset != -1) {
		   offset += search.length;

		   end = document.cookie.indexOf(";", offset);

		   if (end == -1){
		  	end = document.cookie.length;
		   }

		   return unescape(document.cookie.substring(offset, end));
		}
	}
}

function saveCookie(name, value, expire) {
	document.cookie = name + "=" + escape(value) + "; expires=" + expire.toGMTString();
}
var sendManager = getAjaxManager();
function initiateChatWindow(){
	 var url = '/chat/chat.php?m=chatWindow&initiate=1';
	 if(chatWindow = window.open(url, 'chat', ['width=450', 'height=525', 'left=150', 'top=150', 'scrollbars=yes', 'menubar=no', 'resizable=yes'])){
		 chatWindow.top.focus();
	 }
}
function checkChannel(){
var chatChannel = document.getElementById('cf_channel');
if('.' == chatChannel.innerHTML){
chatChannel.innerHTML='';
initiateChatWindow();
return;
}
	 var api_url = '/chat/chat.php';
	 var api_params = 'm=api&submode=initiateChat';	 doAjax(getAjaxManager(), api_url, 'cf_channel', api_params);
clearInterval(channelManager);
	 var channelManager = setTimeout("checkChannel()", 10000);
}

var today = new Date();
var expires = new Date();
expires.setTime(today.getTime());
saveCookie('xchatFUSE', 'daf3cbafbc4e0b8329f98049178d9f2d', expires);
function launchChatWindow(){
	 var url = '/chat/chat.php?m=start&session=daf3cbafbc4e0b8329f98049178d9f2d';
	 chatWindow = window.open(url, 'chat', ['width=450', 'height=525', 'left=150', 'top=150', 'scrollbars=yes', 'menubar=no', 'resizable=yes']);
	 if(chatWindow) chatWindow.top.focus();
	 }
var my_url = document.location.href;
var my_title = document.title;
var api_url = '/chat/chat.php';
var api_params = 'm=api&submode=footprintSave&s=daf3cbafbc4e0b8329f98049178d9f2d';
if(my_url) api_params += '&my_url=' + encodeURIComponent(my_url);
if(my_title) api_params += '&my_title=' + encodeURIComponent(my_title);
callApi(api_url, 'silent', api_params);
var my_url = document.referrer;
if(my_url){
	 var api_url = '/chat/chat.php';
	 var api_params = 'm=api&submode=refererSave&my_url='+escape(my_url);
	 callApi(api_url, 'silent', api_params);
}
document.write('<a href="javascript:launchChatWindow();">');
document.write('<img src="https://www.freeunderdog.com/chat/images/onlineImage.gif" width="110" height="80" alt="" border="0" /><br /></a>');
document.write('<div id="cf_channel"></div>');
setTimeout("checkChannel()", '5000');