function refRoot(data) {
var ref = new Array();
ref = data.split(/\/\/|\/|\?/g,4);
//ref{0} s.b. "http:", ref{1} s.b. "www.something.com", ref[2] s.b. any subdirectories or specific filenames, query, etc.
return ref[1];
}
function findCookieValue(key) {
var allcookies = document.cookie;
if(-1 == allcookies.indexOf(key)) {return "";}
else {
var ref = new Array();
ref = allcookies.split(/;/g);
var target;
var pattern = new RegExp(key);
while ((target = ref.pop()) && !pattern.test(target));
ref = target.split(/=/g);
return ref[1];
}
}
//Set pattern to test for and prevent interfering characters in cookie value or stats key.
var patternA = new RegExp("[^a-zA-Z0-9_:\.\/\-]");
var now = new Date();
var newID = Math.round(now.getTime()/1000);
function getNewID(){
var fiveyears = new Date(now.valueOf()+1000*60*60*24*365*5);
document.cookie="visitid=V" + newID + "; expires=" + fiveyears.toGMTString();
}
if(-1 == document.cookie.indexOf("visitid=")) getNewID();
var visitorID;
var patternV = new RegExp("V");
if(-1 == document.cookie.indexOf("visitid=")) {visitorID = "000_No_Cookies";}
else {
visitorID = findCookieValue("visitid=");
if(visitorID == "NaN"){}
else if(patternV.test(visitorID)){}
else if(visitorID == ""){visitorID = "Error1";}
else {
getNewID();
visitorID = findCookieValue("visitid=");
}
}
var maplook = findCookieValue("maplook=");
var distloc = findCookieValue("distloc=");
var prefloc = findCookieValue("prefloc=");
var formloc = findCookieValue("formloc=");
var globalcomma = new RegExp(",","g");
var globalspace = new RegExp(" ","g");
var lang = "";
lang = window.navigator.language;
if(!lang) lang = window.navigator.userLanguage;
//alert(lang);
var safelang = lang.replace(globalcomma,"");
//alert('2');
var agent = window.navigator.userAgent;
var safeagent = agent.replace(globalcomma,"");
safeagent = safeagent.replace(globalspace,"_");
//If the __ref cookie does not exist, make one to last for just this session. Then record the entry and page visit in the stats files.
if(-1 == document.cookie.indexOf("__ref=")) {
var dr, wl, cookies=true;
if (document.referrer) dr = refRoot(document.referrer); else dr = "undefined";
if(patternA.test(dr)) dr = "Error3";
document.cookie = "__ref="+dr;
if(-1 == document.cookie.indexOf("__ref=")) {dr = "noCookies";cookies=false;}
document.write('');
//What this does is runs the performance.cgi script within an iframe so that the document.location is not changed.
document.write('');
document.write('');
document.write('');
wl = window.location;
if(patternA.test(wl)) wl = "Error3";
if(cookies) document.write('');
document.write('');
}
//If the __ref cookie does exist+ read it. Then use the value to record the page visit only.
else {
//alert("OK to here.");
//alert("value = "+findCookieValue("__ref="));
var sr = findCookieValue("__ref=");
if(patternA.test(sr)) sr = "Error3";
document.write('');
document.write('');
}