iframe_link.php
HTML 5 DTD
UTF-8 in meta tag
'use strict';
jquery2.php
c.js
(Check the JS console.)
<!DOCTYPE HTML>
<meta charset='utf-8' />
<style>
body {
font-family : Verdana;
}
</style>
<script src='//includes.premo.biz/jquery2.php' ></script>
<script src='//includes.premo.biz/c.js' ></script>