Copy and Paste this where you wish, replacing the red text with the appropriate modifications for your use, and removing the blue text.

<script language="JavaScript"><!--
var name = "yourname";
var domain = "@domain.com ie. Yahoo!, MSN, or Hotmail";
document.write('<a href=\"mailto:' + name + '@' + domain + '\">');
document.write(name + '@' + domain + '</a>');
// --></script>