function setCookie(name, value, durationDays) {
      var expires =  new Date(); 
      expires.setTime(expires.getTime() + 1000 * 60 * 60 * 24 * durationDays); // add durationDays
      document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString() + "; path=/";
}
  

function getCookie(name) {

	var cookies = document.cookie;

	if (cookies.indexOf(name) != -1) {
		var startpos = cookies.indexOf(name)+name.length+1;
		var endpos = cookies.indexOf(";",startpos)-1;
		if (endpos == -2) endpos = cookies.length;
		return unescape(cookies.substring(startpos,endpos+1));
	}
	else {
		return false; // the cookie couldn't be found! it was never set before, or it expired.
	}

}