Protect e-mail address from spambot

Page HTML source:
<script language='JavaScript' type='text/javascript'>
<!--
document.write( '</' );
document.write( 'span>' );
//-->
</script><br /><strong>sales:</strong>
<script language='JavaScript' type='text/javascript'>
<!--
var prefix = 'ma' + 'il' + 'to';
var path = 'hr' + 'ef' + '=';
var addy17969 = 'jual' + '@';
addy17969 = addy17969 + 'domainku' + '.' + 'com';
var addy_text17969 = 'jual' + '@' + 'domainku' + '.' + 'com';
document.write( '<a ' + path + '\'' + prefix + ':' + addy17969 + '\'>' );
document.write( addy_text17969 );
document.write( '<\/a>' );
//-->\n </script><script language='JavaScript' type='text/javascript'>
<!--
document.write( '<span style=\'display: none;\'>' );
//-->
</script>This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Result if javascript is off:
sales: jual@domainku.com

Result if javascript is on:
sales: This e-mail address is being protected from spambots. You need JavaScript enabled to view it