var expires = new Date();
expires.setTime (expires.getTime() + 24 * 60 * 60 * 30 * 1000);
var expiryDate = expires.toGMTString();

function newCookie(name,value) {
	document.cookie = name + "=" + value + "; expires=" + expiryDate;
}

function clearCookie(name) {
  document.cookie = name + "=" + "" + "; expires=" + expires.getTime();
}

function getCookie(name) {
  var cookieFound = false;
  var start = 0;
  var end = 0;
  var cookieString = document.cookie;
  var i = 0;
  // SCAN THE COOKIE FOR name
  while (i <= cookieString.length) {
    start = i;
    end = start + name.length;
    if (cookieString.substring(start,end) == name) {
      cookieFound = true;
      break;
    }
    i++;
  }
  // IS name FOUND?
  if (cookieFound) {
    start = end + 1;
    end = document.cookie.indexOf(";",start);
    if (end < start)
      end = document.cookie.length;
		return document.cookie.substring(start,end);
  }
  return "";
}