It's easy, just enter email to field and copy generated code to your HTML page.
<a id="m_s_343233"></a>
<script>
var jtxs = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var zswf = document.getElementById('m_s_343233');
zswf.innerHTML = !(zswf.innerHTML) ? jtxs : zswf.innerHTML;
zswf.href = 'mailto:' + jtxs;
</script>
<span id="m_s_918003"></span>
<script>
var bhsp = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var lksh = document.getElementById('m_s_918003');
lksh.innerHTML = !(lksh.innerHTML) ? bhsp : lksh.innerHTML;
</script>