<!-- Begin
var radio_selection="";
function shipCheck() {
  if (radio_selection=="") {
    alert ("Please choose a type of shipping.");
    return false;
  } else {
    return true;
  }

}

function emailCheck() {
  txt=document.isn.email.value;
  if (txt.indexOf("@")<3){
    alert("I'm sorry. This email address seems wrong. Please" +" check the prefix and '@' sign.");
    return false;
  }
  // only works for US email
  //if ((txt.indexOf(".com")<5)&&(txt.indexOf(".org")<5)
  //  &&(txt.indexOf(".gov")<5)&&(txt.indexOf(".net")<5)
  //  &&(txt.indexOf(".mil")<5)&&(txt.indexOf(".edu")<5)){
  //  alert("I'm sorry. This email address seems wrong. Please"
  //  +" check the suffix for accuracy. (It should include a "
  //  +".com, .edu, .net, .org, .gov or .mil)");
  //  return false;
  //}
  return true;
}
// End -->