function writeMail(a,d){
    document.write ('<a class="mailto" href="mailto:' + a + '@'+ d + '">' + a + '@' + d +'</a>');
}

function writeMailEx(a,d,text){
    document.write ('<a class="mailto" href="mailto:' + a + '@'+ d + '">' + text +'</a>');
}