<!-- begin script
// Copyright (c) 1999, 2000 Promanent C.V. The Netherlands

// Page variables

 expdate = new Date()

// "Internal" function to return the decoded value of a cookie

function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
    endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
} // End function getCookieVal

//  Function to correct for 2.x Mac date bug.  Call this function to
//  fix a date object prior to passing it to SetCookie.
//  IMPORTANT:  This function should only be called *once* for
//  any given date object!  See example at the end of this document.

function fixCookieDate (date) {
  var base = new Date(0);
  var skew = base.getTime(); // dawn of (Unix) time - should be 0
  if (skew > 0)  // Except on the Mac - ahead of its time
    date.setTime (date.getTime() - skew);
} // End function fixCookieDate

//  Function to return the value of the cookie specified by "name".
//    name - String object containing the cookie name.
//    returns - String object containing the cookie value, or null if
//              the cookie does not exist.

function getCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
      return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break; 
  } // while do
  return null;
} // End function getCookie

//  Function to create or update a cookie.
//    name - String object containing the cookie name.
//    value - String object containing the cookie value.  May contain
//      any valid string characters.
//    [expires] - Date object containing the expiration data of the cookie.  If
//      omitted or null, expires the cookie at the end of the current session.
//    [path] - String object indicating the path for which the cookie is valid.
//      If omitted or null, uses the path of the calling document.
//    [domain] - String object indicating the domain for which the cookie is
//      valid.  If omitted or null, uses the domain of the calling document.
//    [secure] - Boolean (true/false) value indicating whether cookie transmission
//      requires a secure channel (HTTPS).  

//  The first two parameters are required.  The others, if supplied, must
//  be passed in the order listed above.  To omit an unused optional field,
//  use null as a place holder.  For example, to call SetCookie using name,
//  value and path, you would code:

//      SetCookie ("myCookieName", "myCookieValue", null, "/");

//  Note that trailing omitted parameters do not require a placeholder.
//
//  To set a secure cookie for path "/myPath", that expires after the
//  current session, you might code:
//
//      SetCookie (myCookieVar, cookieValueVar, null, "/myPath", null, true);

function setCookie (name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
} // End setCookie

//  Function to delete a cookie. (Sets expiration date to start of epoch)
//    name -   String object containing the cookie name
//    path -   String object containing the path of the cookie to delete.  This MUST
//             be the same as the path used to create the cookie, or null/omitted if
//             no path was specified when creating the cookie.
//    domain - String object containing the domain of the cookie to delete.  This MUST
//             be the same as the domain used to create the cookie, or null/omitted if
//             no domain was specified when creating the cookie.

function deleteCookie (name,path,domain) {
  if (GetCookie(name)) {
    document.cookie = name + "=" +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }  // if then
} // End function deleteCookie

// This is the function that sends the data to the set cookie
function addCookie (cookieID, cookieInhoud)
{

 fixCookieDate (expdate)
 expdate.setTime (expdate.getTime() + (2 * 365 * 24 * 60 * 60 * 1000))
 // Somewhere in the distant future; about 2 yrs. further

 setCookie (cookieID, cookieInhoud, expdate, "/")
 
} // End function addCookie

//  Examples
//
// var expdate = new Date ();
// FixCookieDate (expdate); 
// Correct for Mac date bug - call only once for given Date object!
// expdate.setTime (expdate.getTime() + (24 * 60 * 60 * 1000)); // 24 hrs from now 
// SetCookie ("ccpath", "http://www.hidaho.com/colorcenter/", expdate);
// SetCookie ("ccname", "hIdaho Design ColorCenter", expdate);
// SetCookie ("tempvar", "This is a temporary cookie.");
// SetCookie ("ubiquitous", "This cookie will work anywhere in this domain",null,"/");
// SetCookie ("paranoid", "This cookie requires secure communications",expdate,"/",null,true);
// SetCookie ("goner", "This cookie must die!");
// document.write (document.cookie + "<br>");
// DeleteCookie ("goner");
// document.write (document.cookie + "<br>");
// document.write ("ccpath = " + GetCookie("ccpath") + "<br>");
// document.write ("ccname = " + GetCookie("ccname") + "<br>");
// document.write ("tempvar = " + GetCookie("tempvar") + "<br>");

// end script -->