function timeAtAddress_errors() 
{
    var result = false;

    if ((document.forms[0].timeAtAddressMonths.selectedIndex == 0) || (document.forms[0].timeAtAddressYears.selectedIndex == 0))
        result = true;

    if (!result)
        if ((document.forms[0].timeAtAddressMonths.selectedIndex == 1) && (document.forms[0].timeAtAddressYears.selectedIndex == 1))
            result = true;

    return result;
}