function email(a, b) {
document.getElementById('address1').value=a;
document.getElementById('address2').value=b;
}

document.write("<a href=\"javascript: email('info','duranduran.cz');\">Info</a></li><li>\n");
document.write("<a href=\"javascript: email('collection','duranduran.cz');\">My&nbsp;Collection</a></li><li>\n");
document.write("<a href=\"javascript: email('roman','duranduran.cz');\">Romanduran</a></li><li>\n");
document.write("<a href=\"javascript: email('kubajz','duranduran.cz');\">Kubajz</a></li></ol></div></li>\n");