function sendPostValue(formId, fieldName, fieldValue)
{
    if (!formId) {
        alert('Missing form ID argument');
        return false;
    }
    if (!fieldName) {
        alert('Missing field Name argument');
        return false;
    }
    if (!fieldValue) {
        alert('Missing field Value argument');
        return false;
    }
    var f = document.getElementById(formId);
    f.elements[fieldName].value = fieldValue;
    f.submit();
    return false;
}