function str_rot13( str ) {    // Perform the rot13 transform on a string
    // 
    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +   improved by: Ates Goral (http://magnetiq.com)
 
    return str.replace(/[A-Za-z]/g, function (c) {
        return String.fromCharCode((((c = c.charCodeAt(0)) & 223) - 52) % 26 + (c & 32) + 65);
    });
}
function get_link(str) {
	var tmp = "";
	var email = str_rot13(str);
	tmp = "<a href='mailto:"+email+"'>"+email+"</a>";
	document.write(tmp);
}