function emailPageLink() {
    var strSubject = "space.gov.au - Check this link out";
    var strBody = "The following link has been sent to you by <your name>.%0A";
    strBody += "Title: " + escape(document.title) + "%0A";
    strBody += "Link: " + escape(location.href) + "%0A%0A";

    var mailStr = "mailto:?Subject=" + strSubject +
                "&Body=" + strBody;
    window.open(mailStr);
}