if (getCookie("wtdtea") == null) {
		var currentDate = new Date();
		var date = new Date();
		var randomNumber = Math.floor(Math.random()*100001);
		setCookie("wtdtea", "" + date.getTime() + randomNumber, 365);
	}

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

function setCookie(NameOfCookie, value, expiredays) { 
	var ExpireDate = new Date ();
	ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
	document.cookie = NameOfCookie + "=" + escape(value) + 
		((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString());
}