function checksubmit(myform, field_name, text_query, alert_msg)
    {
        form = myform;
        field = form[field_name];
        if (field.value != text_query && field.value != '') {
            return true;
        }
        else {
            alert(alert_msg);
            return false;
        }
    }
function autoquery(myfield, text_query)
    {
        value = myfield.value;
        if (value == text_query) {
            myfield.value = '';
        }
        else if (value == '') {
            myfield.value = text_query
        }
    }