<h1>Cookie Demo</h1>
<p>You can use this to test creating and loading a cookie.</p>
<!-- The value of the cookie -->
<input id="cookieInput" value="123">
<!-- Button to create the cookie -->
<button onclick="setCookie('cookieName', document.getElementById('cookieInput').value, 365)">Save</button>

<br /><br />

<!-- The value of the cookie -->
<input id="cookieOutput">
<!-- Button to load the cookie -->
<button onclick="document.getElementById('cookieOutput').value = getCookie('cookieName')">Load</button>

function setCookie(cname, cvalue, exdays) {
  var d = new Date();
  d.setTime(d.getTime() + (exdays*24*60*60*1000));
  var expires = "expires="+ d.toUTCString();
  document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}

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