var sWOGateway       = "79.123.101.5:8080";    // specify the external address:port of the Gateway server
var sWOGatewaySSL    = ""; // specify the external address:port of the Gateway server SSL interface
var sWODepartment    = ""; // optional department
var sWOChatstart     = "http://localhost/chat/chatstart.htm"; // url to the chatstart.htm page 
var sWOLanguage      = ""; // language for the chat window
var sWOBackgroundURL = ""; // optional custom background url
var sWOResponse      = ""; // set to a blank string if you do NOT want a visible chat link
var sWOInvite        = "";  // set to a blank string if you do NOT want invite requests to be polled
var sWOPreselect     = ""; // set to D to pre-select Department before starting chat, O to pre-select Operator

var sWOSession;
var sWOUrl;
var sWOUser="";
var sWOPage="";
var sWOProtocol=window.location.protocol;
var sWOCost=0;    // specify a visit cost 
var sWORevenue=0; // specify the revenue generated by the visitor
var sWOName="";
var sWOCompany="";
var sWOEmail="";
var sWOTelephone="";

if(sWOUser==""){
	// create a unique session cookie for the visitor
	var dt=new Date();
	var sWOCookie=document.cookie.toString();
	if(sWOCookie.indexOf("whoson")==-1){
		sWOSession=parseInt(Math.random()*1000)+"-"+dt.getTime();
		document.cookie="whoson="+sWOSession+";expires=Fri, 31-Dec-2020 00:00:00 GMT;";
	}
	sWOCookie=document.cookie.toString();
	if(sWOCookie.indexOf('whoson')==-1){
		sWOSession="";
	} else {
		var s=sWOCookie.indexOf("whoson=")+7;
		var e=sWOCookie.indexOf(";",s);
		if(e==-1)e=sWOCookie.length;
		sWOSession=sWOCookie.substring(s,e);
	}
}
if(sWOProtocol=="https:")sWOGateway=sWOGatewaySSL;
if(sWOUser!="")sWOSession=sWOUser;
if(sWOPage=="")sWOPage=escape(window.location);
if(sWOProtocol=="file:")sWOProtocol="http:";
sWOUrl=sWOProtocol+"//"+sWOGateway+"/stat.gif?u="+sWOSession+"&d="+sWODomain;
if(sWODepartment.length>0)sWOUrl+="&t="+escape(sWODepartment);
sWOUrl+="&p='"+sWOPage+"'&r='"+escape(document.referrer)+"'";
if(sWOCost!=0)sWOUrl+="&c="+sWOCost;
if(sWORevenue!=0)sWOUrl+="&v="+sWORevenue;
if(sWOName!="" || sWOCompany!="" || sWOEmail!="" || sWOTelephone!="")sWOUrl+="&n="+sWOName+"|"+sWOCompany+"|"+sWOEmail+"|"+sWOTelephone;
if(document.layers)document.write("<layer name=\"WhosOn\" visibility=hide><img src=\""+sWOUrl+"\" height=1 width=1><\/layer>");
else document.write("<div id=\"WhosOn\" STYLE=\"position:absolute;visibility:hidden;\"><img src=\""+sWOUrl+"\" height=1 width=1><\/div>");
sWOUrl=sWOProtocol+"//"+sWOGateway+"/invite.js?domain="+sWODomain;
if(sWOInvite=="Y")document.write("<sc"+"ript language='Javascript' src='"+sWOUrl+"'><\/scr"+"ipt>");

function pvTrack(that) {
	var sWOUrl;
	var sWOProtocol=window.location.protocol;
	var iWO=new Image(1,1);
 
	// create a unique session cookie for the visitor if not already created
	var dt=new Date();
	var sWOCookie=document.cookie.toString();
	if(sWOCookie.indexOf("whoson")==-1){
		sWOSession=parseInt(Math.random()*1000)+"-"+dt.getTime();
		document.cookie="whoson="+sWOSession+";expires=Fri, 31-Dec-2020 00:00:00 GMT;";
	}
	sWOCookie=document.cookie.toString();
	if(sWOCookie.indexOf('whoson')==-1){
		sWOSession="";
	} else {
		var s=sWOCookie.indexOf("whoson=")+7;
		var e=sWOCookie.indexOf(";",s);
		if(e==-1)e=sWOCookie.length;
		sWOSession=sWOCookie.substring(s,e);
	}
	sWOPage=escape(that.href);
	if(sWOProtocol=="file:")sWOProtocol="http:";
	sWOUrl=sWOProtocol+"//"+sWOGateway+"/stat.gif?u="+sWOSession+"&d="+sWODomain;
	sWOUrl+="&p='"+sWOPage+"'&r='"+escape(document.referrer)+"'";
	iWO.src=sWOUrl;
	return;
}