It's easy, just enter email to field and copy generated code to your HTML page.
<a id="m_s_573880"></a>
<script>
var bsfi = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var lxax = document.getElementById('m_s_573880');
lxax.innerHTML = !(lxax.innerHTML) ? bsfi : lxax.innerHTML;
lxax.href = 'mailto:' + bsfi;
</script>
<span id="m_s_334648"></span>
<script>
var ttix = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var lmfm = document.getElementById('m_s_334648');
lmfm.innerHTML = !(lmfm.innerHTML) ? ttix : lmfm.innerHTML;
</script>