Simple Read Cookies

gistfile1.txt

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for( var i=0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}