function popupWhyPremium() {
    var win = window.open('/whypremium','whypremium','height=852,width=987,titlebar=yes,location=no,scrollbars=no,toolbar=no,resizable=no,menubar=no,status=no');
    win.focus();
}

function popupSelectPremium() {
    window.opener.submitPremium();
    window.close();
}

function popupSelectFree() {
    window.opener.submitFree();
    window.close();
}

function submitPremium() {
    document.getElementById("productSelection").value = "Premium";
    document.theForm.submit();
}

function submitFree() {
    document.getElementById("productSelection").value = "Free";
    document.theForm.submit();
}