<!--
// Standard cookie functions:

function extractCookieValue(val) {
  if ((endOfCookie = document.cookie.indexOf(";", val)) == -1) {
     endOfCookie = document.cookie.length;
  }
  return unescape(document.cookie.substring(val,endOfCookie));
}

function ReadCookie(cookiename) {
  var numOfCookies = document.cookie.length;
  var nameOfCookie = cookiename + "=";
  var cookieLen = nameOfCookie.length;
  var x = 0;
  while (x <= numOfCookies) {
        var y = (x + cookieLen);
        if (document.cookie.substring(x, y) == nameOfCookie)
           return (extractCookieValue(y));
           x = document.cookie.indexOf(" ", x) + 1;
           if (x == 0)
              break;
  }
  return (null);
}

function createCookie(name, value, expiredays) {
  var todayDate = new Date();
  todayDate.setDate(todayDate.getDate() + expiredays);
  document.cookie = name + 
                    "=" + 
                    value + 
                    "; expires=" +
                    todayDate.toGMTString() + 
                    ";";
}

function deleteCookie(name) {
  var todayDate = new Date();
  todayDate.setDate(todayDate.getDate() - 1);
  document.cookie = name + 
                    "=" + 
                    "" + 
                    "; expires=" +
                    todayDate.toGMTString() + 
                    ";";
}

//-->