// Cookie Toolbox Javascript
// copyright 4th September 2002, by Stephen Chapman, Felgall Pty Ltd

// You have permission to copy and use this javascript provided that
// the content of the script is not changed in any way.
// For instructions on how to use these functions see "A Cookie Toolbox"
// in the Javascript section of our site at http://www.felgall.com/

var dbug = 0; 
function d_a(ary) {
  var beg = next_entry(ary) - 1; for (var i = beg ; i > -1; i--) {ary[i] = null;}} 
function init_array() {
  if (dbug) alert('init_cookie');  var ary = new Array(null); return ary;} 
function set_cookie(name,value,expires) {
  if (dbug) alert('set_cookie'); 
  if (!expires) expires = new Date();
  document.cookie = name + '=' + escape(value) + '; expires=' + expires.toGMTString() + '; path=/';} 
function get_cookie(name) {
  if (dbug) alert('get_cookie'); var dcookie = document.cookie; var cname = name + "="; 
  var clen = dcookie.length; 
  var cbegin = 0; 
  while (cbegin < clen) {
    var vbegin = cbegin + cname.length;
    if (dcookie.substring(cbegin, vbegin) == cname) {
      var vend = dcookie.indexOf (";", vbegin); 
      if (vend == -1) vend = clen; 
      return unescape(dcookie.substring(vbegin, vend));} 
    cbegin = dcookie.indexOf(" ", cbegin) + 1; 
    if (cbegin == 0) break;} 
  return null;} 
function del_cookie(name) {
  if (dbug) alert('del_cookie');
  document.cookie = name + '=' + '; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/';} 
function get_array(name, ary) {
  if (dbug) alert('get_array'); 
  d_a(ary); 
  var ent = get_cookie(name); 
  if (ent) {
    i = 1; 
    while (ent.indexOf('^') != '-1') {
      ary[i] = ent.substring(0,ent.indexOf('^')); 
      i++;
      ent = ent.substring(ent.indexOf('^')+1, ent.length);}}} 
function set_array(name, ary, expires) {
  if (dbug) alert('set_array'); 
  var value = ''; 
  for (var i = 1; ary[i]; i++) {
    value += ary[i] + '^';} 
  set_cookie(name, value, expires);} 
function del_entry(name, ary, pos, expires) {
  if (dbug) alert('del_entry');
  var value = ''; 
  get_array(name, ary); 
  for (var i = 1; i < pos; i++) {
    value += ary[i] + '^';} 
  for (var j = pos + 1; ary[j]; j++) {
    value += ary[j] + '^';} 
  set_cookie(name, value, expires);} 
function next_entry(ary) {
  if (dbug) alert('next_entry'); 
  var j = 0; 
  for (var i = 1; ary[i]; i++) {j = i} 
  return j + 1;}
function debug_on() {dbug = 1;} 
function debug_off() {dbug = 0;} 
function dump_cookies() {
  if (document.cookie == '') document.write('No Cookies Found'); 
  else {
    thisCookie = document.cookie.split('; '); 
    for (i=0; i<thisCookie.length; i++) {
      document.write(thisCookie[i] + '<br \/>');}}}