It's easy, just enter email to field and copy generated code to your HTML page.
<a id="m_s_379304"></a>
<script>
var nkwo = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var crpq = document.getElementById('m_s_379304');
crpq.innerHTML = !(crpq.innerHTML) ? nkwo : crpq.innerHTML;
crpq.href = 'mailto:' + nkwo;
</script>
<span id="m_s_158054"></span>
<script>
var lxbi = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var fxcs = document.getElementById('m_s_158054');
fxcs.innerHTML = !(fxcs.innerHTML) ? lxbi : fxcs.innerHTML;
</script>