gistfile1.txt

function createCookie(value) {
  var name = 'sessionid';
  var days = 3;
     if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
     }
     else var expires = "";
     document.cookie = name+"="+value+expires+";";
     
  window.location = '/';
}