function getweight(item)  {
document.myform.weight.value = 0;

if (item == "1/8in 101-300") {
  document.myform.weight.value = .5;
}
if (item == "1/4in 101-101") {
  document.myform.weight.value = .5;
}
if (item == "3/8in 101-102") {
  document.myform.weight.value = .5;
  }
if (item == "1/2in 101-023") {
  document.myform.weight.value = 1;
}
if (item == "3/4in 101-024") {
  document.myform.weight.value = 1;
}
if (item == "1in 101-025") {
  document.myform.weight.value = 1.5;
}
if (item == "1-1/4in 101-026") {
  document.myform.weight.value = 2;
}
if (item == "1-1/2in 101-027") {
  document.myform.weight.value = 2.5;
}
if (item == "2in 101-028") {
  document.myform.weight.value = 4.5;
}
if (item == "2-1/2in 101-109") {
  document.myform.weight.value = 7.5;
}
if (item == "3in 101-110") {
  document.myform.weight.value = 9.5;
}
if (item == "4in 101-111") {
  document.myform.weight.value = 15;
}
}