$(function() {
    $('.email-address').each(function() {
        var addr = $(this).text()
        addr = addr.replace(/ (at|ät) /g, '@')
        addr = addr.replace(/ (dot|pünktchen) /g, '.')
        var a = $(document.createElement('a'))
        var href = 'mailto:' + addr
        a.attr('href', href)
        a.text(addr)
        $(this).replaceWith(a)
    })
})