function Get_Cookie(name) {
  var start = document.cookie.indexOf(name+" = ");
  var len = start+name.length+1;
  if ((!start) && (name != document.cookie.substring(0, name.length))) return null;
  if (start == -1) return null;
  var end = document.cookie.indexOf("; ", len);
  if (end == -1) end = document.cookie.length;
  return unescape(document.cookie.substring(len, end));
}

function Set_Cookie(name, value, expires, path, domain, secure) {
  var cookieString = name + " = " +escape(value) +
  ((expires)? "; expires = " + expires.toGMTString(): "") +
  ((path)? "; path = " + path: "") +
  ((domain)? "; domain = " + domain: "") +
  ((secure)? "; secure": "");
  document.cookie = cookieString;
}

function Delete_Cookie(name, path, domain) {
  if (Get_Cookie(name)) document.cookie = name + " = " +
    ((path)? "; path = " + path: "") +
    ((domain)? "; domain = " + domain: "") +
    "; expires = Thu, 01-Jan-70 00: 00: 01 GMT";
}

var today = new Date();
var zero_date = new Date(0, 0, 0);
today.setTime(today.getTime() - zero_date.getTime());
var cookie_expire_date = new Date(today.getTime() + (8 * 7 * 86400000));

function setVisitorID() {
  if (Get_Cookie('VisitorID')) {
    var VisitorID = Get_Cookie('VisitorID');
  }else {
    Set_Cookie('VisitorID', Math.random(), cookie_expire_date);
  }
}

function setSessionID() {
  if (!document.cookie.match ('SessionID')) {
    Set_Cookie('SessionID', (Math.round(Math.random()*100000000)),'','/');
    }
}

function extractCookieValue(val) {
  if ((endOfCookie = document.cookie.indexOf(";", val)) == -1) {
     endOfCookie = document.cookie.length;
  }
  var theValue = unescape(document.cookie.substring(val,endOfCookie));
  var theValue = (theValue.replace("SessionID=", ""))
  return theValue;
}

var loaded_script = true;