function validateOption()
{
    document.getElementById("fsync_option_proformaserie_error").style.display = "none";
    document.getElementById("fsync_option_daysago_error").style.display = "none";

    var days = document.getElementById("fsync_option_daysago").value;
    $error = false;
    if(days == '' || !days.match(/^\d+$/)) 
    {
        document.getElementById("fsync_option_daysago_error").style.display = "block";
        $error = true;
    }

    var radios = document.getElementsByClassName("fsync_option_syncordersas");
	for (var i = 0, length = radios.length; i < length; i++) {
        if (radios[i].checked) {
            if(radios[i].value == 'proforma' && document.getElementById("fsync_option_proformaserie").value == '') 
            { 
                document.getElementById("fsync_option_proformaserie_error").style.display = "block";
                $error = true;
            }
        }
    }  

    if($error)
    {
        return false;
    }
    else
    {
        return true;
    }
    
}

function submitOrderOptionForm()
{
    if(validateOption()) { 
	document.getElementById('save-oo-btn').classList.remove('btn-green');
	document.getElementById('save-oo-btn').innerHTML = '<img src="View/img/loader.gif" />';
        document.getElementById('order_option_form').submit();
    }
}



function showOrHideProformaSerie()
{
    var radios = document.getElementsByClassName("fsync_option_syncordersas");
	for (var i = 0, length = radios.length; i < length; i++) {
        if (radios[i].checked) {
            if(radios[i].value == 'proforma') 
            { 
                document.getElementById("fsync_option_proformaserie").parentElement.parentElement.style.display = 'block';
            } 
            else 
            {  
                document.getElementById("fsync_option_proformaserie").parentElement.parentElement.style.display = 'none';
            }

            break;
        }
    }    
}