NULL_VALUE = "#NULL#"

function removeBlanks(s) {
  var temp = ""
  for (var i=0;i<s.length;++i) {
    var c=s.charAt(i)
    if (c != " ") temp += c
  }
  return temp
}

function getCookieValue(n) {
  s = removeBlanks(document.cookie)
  var pairs = s.split(";")
  for (var i=0;i<pairs.length;++i) {
    var pairSplit=pairs[i].split("=")
    if (pairSplit[0] == n) {
      if (pairSplit[0].length > 1) return pairSplit[1]
      else return NULL_VALUE
    }
  }
  return NULL_VALUE
}