function obfuscate ( prefix ) {
	var position = prefix.indexOf('?');
	var suffix = '';
	if ( position != -1 ) {
		suffix = prefix.substring(position);
		prefix = prefix.substring(0, position);
	}
	var value = 'ln.eitacinummocslessek@' + prefix.split('').reverse().join('');
	value = value.split('').reverse().join('');
	var text = ( arguments.length == 2 ) ? arguments[1] : value;
	document.write('<a href="mailto:' + value + suffix + '">' + text + '</a>');
}