Dyrk

function setConnexionForms(login, password) {
    var d = document;
    forms = d.getElementsByTagName('form');
    for (var i in forms) {
        if (!forms[i].getElementsByTagName ||
            forms[i].getAttribute('ok')) continue;
        forms[i].setAttribute('ok', 'ok')
        fields = forms[i].getElementsByTagName('input');
        var formData = {},
            testform = false;
        for (var j in fields) {
            data = (fields[j].name) ? fields[j].name : fields[j].id;
            infos = {
                "login": ["login", "email", "username", "pseudo", "user"],
                "password": ["password", "mdp"]
            }
            for (var l in infos)
                for (var k in infos[l])
                    if (data && data.indexOf(infos[l][k]) != -1) {
                        formData[l] = fields[j];
                        break;
                    }
            if (formData.login && formData.password) {
                testform = true;
                break;
            }
        }
        if (testform) {
            formData.login.value = login;
            formData.password.value = password;
        }

    }
}