function showForm(){
var selopt = document.getElementById("opts").value;

if (selopt == 1) { document.getElementById("1").style.display="block";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 2) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="block";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 3) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="block";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 4) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="block";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 5) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="block";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 6) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="block";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 7) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="block";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 8) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="block";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 9) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="block";document.getElementById("10").style.display="none";document.getElementById("11").style.display="none";}
if (selopt == 10) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="block";document.getElementById("11").style.display="none";}
if (selopt == 11) {document.getElementById("1").style.display="none";document.getElementById("2").style.display="none";document.getElementById("3").style.display="none";document.getElementById("4").style.display="none";document.getElementById("5").style.display="none";document.getElementById("6").style.display="none";document.getElementById("7").style.display="none";document.getElementById("8").style.display="none";document.getElementById("9").style.display="none";document.getElementById("10").style.display="none";document.getElementById("11").style.display="block";}

}