$(document).ready( function () {
	$('a[rel="contact"]').click (
		function (event) {
			$(this).attr('href', 'mailto:'+getAddress($(this).attr('data-value')));
		}
	);
});

function getAddress (value) {
	return value.replace (/[a-zA-Z]/g, function (c) { return String.fromCharCode(( c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26); });
}