function goLastMonth(month,year,form,field)
    {
        // If the month is January, decrement the year.
        if(month == 1)
    {
    --year;
    month = 13;
    }
        document.location.href = 'res_search?month='+(month-1)+'&year='+year+'&form='+form+'&field='+field;
    }

    function goNextMonth(month,year,form,field)
    {
        // If the month is December, increment the year.
        if(month == 12)
    {
    ++year;
    month = 0;
    }
        document.location.href = 'res_search?month='+(month+1)+'&year='+year+'&form='+form+'&field='+field;
    }

    function sendToForm(val,field,form)
    {
        // Send back the date value to the form caller.
        eval("opener.document." + form + "." + field + ".value='" + val + "'");
        window.close();
    }