It's easy, just enter email to field and copy generated code to your HTML page.
<a id="m_s_914202"></a>
<script>
var wvdj = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var efem = document.getElementById('m_s_914202');
efem.innerHTML = !(efem.innerHTML) ? wvdj : efem.innerHTML;
efem.href = 'mailto:' + wvdj;
</script>
<span id="m_s_353932"></span>
<script>
var vomz = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var hwnx = document.getElementById('m_s_353932');
hwnx.innerHTML = !(hwnx.innerHTML) ? vomz : hwnx.innerHTML;
</script>