function forgetPassword() {
    var newWin;
    var W, H, T, L, sExtras;

    W = 280;
    H = 180;
    T = (screen.availHeight / 2) - (parseInt(H) / 2);
    L = (screen.availWidth / 2) - (parseInt(W) / 2);
    URL = 'forgotpassword.aspx';

    sExtras = 'width=' + W + ',height=' + H + ',top=' + T + ',left=' + L;

    newWin = window.open(URL, 'ForgetPassword', sExtras);
}