Event.observe(window, 'load', function(event) {
    obfuscate_email('mark-thomas');
    obfuscate_email('paul-greene');
    obfuscate_email('vendors');
    obfuscate_name('Mark Thomas');
    obfuscate_name('Paul Greene');
  }
);

function obfuscate_email(user) {
    var dedashed_user = user.gsub('-', '.');
    var domain = 'carsite.co.uk';
    var address = dedashed_user + '@' + domain;
    $$('.'+ user +'_email').invoke('insert', '<a class="email" href="mailto:' + address + '" title="email ' + address + '">' + address + '</a>')
}

function obfuscate_name(person) {
    var dashed_person = person.gsub(' ', '-').toLowerCase();
    $$('.obfuscated_' + dashed_person).invoke('insert', person)
}