var addr = 'dobbsy';
 var host = 'xtra.co.nz';
 var email = '<a href="mailto:' + addr + '@' + host + '">' + addr + '@' + host + '</a>';
 document.write(email);



 //         <script language="JavaScript" src="scripts/email.js"></script>
 
 // info@swimchem.co.nz