function sunsign() {
   document.form1.date.selectedIndex;
   document.form1.month.selectedIndex;
   document.form1.sign.value;
   if (document.form1.month.selectedIndex == 1 && document.form1.date.selectedIndex <=20) {document.form1.sign.value = "Capricornio";}
   if (document.form1.month.selectedIndex == 1 && document.form1.date.selectedIndex >=21) {document.form1.sign.value = "Acuario";}
   if (document.form1.month.selectedIndex == 2 && document.form1.date.selectedIndex <=18) {document.form1.sign.value = "Acuario";}
   if (document.form1.month.selectedIndex == 2 && document.form1.date.selectedIndex >=19) {document.form1.sign.value = "Piscis";}
   if (document.form1.month.selectedIndex == 3 && document.form1.date.selectedIndex <=20) {document.form1.sign.value = "Piscis";}
   if (document.form1.month.selectedIndex == 3 && document.form1.date.selectedIndex >=21) {document.form1.sign.value = "Aries";}
   if (document.form1.month.selectedIndex == 4 && document.form1.date.selectedIndex <=20) {document.form1.sign.value = "Aries";}
   if (document.form1.month.selectedIndex == 4 && document.form1.date.selectedIndex >=21) {document.form1.sign.value = "Tauro";}
   if (document.form1.month.selectedIndex == 5 && document.form1.date.selectedIndex <=21) {document.form1.sign.value = "Tauro";}
   if (document.form1.month.selectedIndex == 5 && document.form1.date.selectedIndex >=22) {document.form1.sign.value = "Geminis";}
   if (document.form1.month.selectedIndex == 6 && document.form1.date.selectedIndex <=21) {document.form1.sign.value = "Geminis";}
   if (document.form1.month.selectedIndex == 6 && document.form1.date.selectedIndex >=22) {document.form1.sign.value = "Cancer";}
   if (document.form1.month.selectedIndex == 7 && document.form1.date.selectedIndex <=22) {document.form1.sign.value = "Cancer";}
   if (document.form1.month.selectedIndex == 7 && document.form1.date.selectedIndex >=23) {document.form1.sign.value = "Leo";}
   if (document.form1.month.selectedIndex == 8 && document.form1.date.selectedIndex <=23) {document.form1.sign.value = "Leo";}
   if (document.form1.month.selectedIndex == 8 && document.form1.date.selectedIndex >=24) {document.form1.sign.value = "Virgo";}
   if (document.form1.month.selectedIndex == 9 && document.form1.date.selectedIndex <=23) {document.form1.sign.value = "Virgo";}
   if (document.form1.month.selectedIndex == 9 && document.form1.date.selectedIndex >=24) {document.form1.sign.value = "Libra";}
   if (document.form1.month.selectedIndex == 10 && document.form1.date.selectedIndex <=23) {document.form1.sign.value = "Libra";}
   if (document.form1.month.selectedIndex == 10 && document.form1.date.selectedIndex >=24) {document.form1.sign.value = "Escorpio";}
   if (document.form1.month.selectedIndex == 11 && document.form1.date.selectedIndex <=22) {document.form1.sign.value = "Escorpio";}
   if (document.form1.month.selectedIndex == 11 && document.form1.date.selectedIndex >=23) {document.form1.sign.value = "Sagitario";}
   if (document.form1.month.selectedIndex == 12 && document.form1.date.selectedIndex <=21) {document.form1.sign.value = "Sagitario";}
   if (document.form1.month.selectedIndex == 12 && document.form1.date.selectedIndex >=22) {document.form1.sign.value = "Capricornio";}

   if (document.form1.month.selectedIndex == "x" || document.form1.date.selectedIndex == "y") return;
 }

function validate() {
   if (document.form1.month.selectedIndex == 2 && document.form1.date.selectedIndex > 29) {alert("Hay solamente 29 dias en Febrero."); return false;}
   if (document.form1.month.selectedIndex == 4 && document.form1.date.selectedIndex == 31) {alert("Hay solamente 30 dias en Abril."); return false;}
   if (document.form1.month.selectedIndex == 6 && document.form1.date.selectedIndex == 31) {alert("Hay solamente 30 dias en Junio."); return false;}
   if (document.form1.month.selectedIndex == 9 && document.form1.date.selectedIndex == 31) {alert("Hay solamente 30 dias en Septiembre."); return false;}
   if (document.form1.month.selectedIndex == 11 && document.form1.date.selectedIndex == 31) {alert("Hay solamente 30 dias en Noviembre."); return false;} 
else{
sunsign();  
return true;
}
 }

function gosign() {
   if (document.form1.sign.value == '????') {alert("Elija dia y mes");}
else{
document.location="http://www.unicoamor.com/horoscopo/index.php?id="+ document.form1.sign.value.toLowerCase();
}
 }