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;
}

var username = readCookie('cusername');
var referer = readCookie('creferer');

if (username) {
    document.write('<div style="float: right;"><b>'+username+' Logged In</b> <a href="/members/">Home</a> <a href="?logout">Logout</a></div>');
} else {
    if (referer) {
    document.write('<div style="float: right;"><b>Referred By: </b> '+referer+'<br />Do you want to <a href="/members/">Log in</a> or <a href="/newuser.php">register</a>?</div>');
    }
    else {
    document.write('<div style="float: right;">Do you want to <a href="/members/">Log in</a> or <a href="/newuser.php">register</a>?</div>');
    }
}