It's easy, just enter email to field and copy generated code to your HTML page.
<a id="m_s_167030"></a>
<script>
var nqmv = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var xzmn = document.getElementById('m_s_167030');
xzmn.innerHTML = !(xzmn.innerHTML) ? nqmv : xzmn.innerHTML;
xzmn.href = 'mailto:' + nqmv;
</script>
<span id="m_s_873069"></span>
<script>
var hplj = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var usmp = document.getElementById('m_s_873069');
usmp.innerHTML = !(usmp.innerHTML) ? hplj : usmp.innerHTML;
</script>