function readCookie(name){
var nameEQ = "tracking" + "=";
var ca = document.cookie.split(';');
for(var i=0;i<ca.length;i++){
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); 
}
return null;
}

function readIt(name){
var NULLcheck = (readCookie(name));
if (!NULLcheck) {
saveIt('tracking')
return; 
}
}

function createCookie(name,value,days){
if (days){
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
var ck = name+"="+value+expires+"; path=/";
document.cookie = ck;
}
function saveIt(name){
var x = document.referrer;
createCookie(name,x,7);
}