function write_ad(login) {
    pr_1 = "mai";
    pr_2 = "lto:";
    at = "@";
    serwer = "akond.";
    serwer1= "com";
    document.write('<a href=\"'+pr_1+pr_2+login+at+serwer+serwer1+'\">');
    document.write(login+at+serwer+serwer1+'</a>');
    }

function write_office () {
    document.write('<a href=\"office@akond.com\">office@akond.com</a>');
    }

function write_service () {
    document.write('<a href=\"service@akond.com\">service@akond.com</a>');
    }