var popUpsBlocked = false;
function checkPopUp(page) {
    var rv = openWindow(page);
    if (rv) {
        popUpsBlocked = false;
    }
    else {
        alert('We have detected that you are using popup blocking software.\nPlease disable your popup blocker to use the full functionality of our site.  Thank you.');
        popUpsBlocked = true;
    }
}

function openWindow(page) {
    var rv = false;
    rv = window.open(page, 'Login', 'directories=no, menubar=no, resizable=yes, scrollbars=yes, status=yes, toolbar=no');
    rv.focus;
    return rv;
}