function calc_sunsign()
{
       
        var month = $('#field_age_month').val();
                if ( ! month ) return;
       
        var day = $('#field_age_day').val();
                if ( ! day ) return;
       
 if ( month == 1 && day <=19) {sign = "Capricorn"; sign_id = "578";}
 else if (month == 1 && day >=20) {sign = "Aquarius"; sign_id = "579";}
 else if (month == 2 && day <=18) {sign = "Aquarius"; sign_id = "579";}
 else if (month == 2 && day >=19) {sign = "Pisces"; sign_id = "580";}
 else if (month == 3 && day <=20) {sign = "Pisces"; sign_id = "580";}
 else if (month == 3 && day >=21) {sign = "Aries"; sign_id = "581";}
 else if (month == 4 && day <=20) {sign = "Aries"; sign_id = "581";}
 else if (month == 4 && day >=21) {sign = "Taurus"; sign_id = "582";}
 else if (month == 5 && day <=20) {sign = "Taurus"; sign_id = "582";}
 else if (month == 5 && day >=21) {sign = "Gemini"; sign_id = "583";}
 else if (month == 6 && day <=20) {sign = "Gemini"; sign_id = "583";}
 else if (month == 6 && day >=21) {sign = "Cancer"; sign_id = "584";}
 else if (month == 7 && day <=21) {sign = "Cancer"; sign_id = "584";}
 else if (month == 7 && day >=22) {sign = "Leo"; sign_id = "585";}
 else if (month == 8 && day <=21) {sign = "Leo"; sign_id = "585";}
 else if (month == 8 && day >=22) {sign = "Virgo"; sign_id = "586";}
 else if (month == 9 && day <=21) {sign = "Virgo"; sign_id = "586";}
 else if (month == 9 && day >=22) {sign = "Libra"; sign_id = "587";}
 else if (month == 10 && day <=21) {sign = "Libra"; sign_id = "587";}
 else if (month == 10 && day >=22) {sign = "Scorpio"; sign_id = "588";}
 else if (month == 11 && day <=21) {sign = "Scorpio"; sign_id = "588";}
 else if (month == 11 && day >=22) {sign = "Sagittarius"; sign_id = "589";}
 else if (month == 12 && day <=20) {sign = "Sagittarius"; sign_id = "589";}
 else if (month == 12 && day >=21) {sign = "Capricorn"; sign_id = "578";}
 
 $('#field_zodiac').val(sign_id);
 
 return;
}