It's easy, just enter email to field and copy generated code to your HTML page.
<a id="m_s_124860"></a>
<script>
var crxy = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var mluj = document.getElementById('m_s_124860');
mluj.innerHTML = !(mluj.innerHTML) ? crxy : mluj.innerHTML;
mluj.href = 'mailto:' + crxy;
</script>
<span id="m_s_347128"></span>
<script>
var gowx = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var opak = document.getElementById('m_s_347128');
opak.innerHTML = !(opak.innerHTML) ? gowx : opak.innerHTML;
</script>