function mailsubject(subject) {
  document.getElementById('othersubject').style.display = "none";
  document.getElementById('morecomplaint1').style.display = "none";
  document.getElementById('morecomplaint2').style.display = "none";
  document.getElementById('morecomplaint3').style.display = "none";
  document.getElementById('morecomplaint4').style.display = "none";
  document.getElementById('moreapplication1').style.display = "none";
  document.getElementById('moreapplication2').style.display = "none";
  document.getElementById('moreapplication3').style.display = "none";
  document.getElementById('moreapplication4').style.display = "none";
  document.getElementById('moreapplication5').style.display = "none";
  document.getElementById('moreapplication6').style.display = "none";
  document.getElementById('moretech').style.display = "none";
  if (subject == 0) {
    document.getElementById('othersubject').style.display = "inline";
  }else if (subject == 1) {
    document.getElementById('morecomplaint1').style.display = "inline";
    document.getElementById('morecomplaint2').style.display = "inline";
    document.getElementById('morecomplaint3').style.display = "inline";
    document.getElementById('morecomplaint4').style.display = "inline";
  }else if (subject == 2) {
    document.getElementById('moreapplication1').style.display = "inline";
    document.getElementById('moreapplication2').style.display = "inline";
    document.getElementById('moreapplication3').style.display = "inline";
    document.getElementById('moreapplication4').style.display = "inline";
    document.getElementById('moreapplication5').style.display = "inline";
    document.getElementById('moreapplication6').style.display = "inline";
  }else if (subject == 3) {
    document.getElementById('moretech').style.display = "inline";
  }
  return;
}

function mailsubmit(mailform) {
  var valid = true;
  if (mailform.contactname.value.length == 0) valid = false;
  if (mailform.email.value.length == 0) valid = false;
  if (mailform.messagetext.value.length == 0) valid = false;
  if (mailform.subject.value == 0 && mailform.othersubject.value.length == 0) valid = false;
  if (mailform.subject.value == 1 && mailform.room.value.length == 0) valid = false;
  if (mailform.subject.value == 1 && mailform.time.value.length == 0) valid = false;
  if (mailform.subject.value == 1 && mailform.chatmaster.value.length == 0) valid = false;
  if (mailform.subject.value == 2 && mailform.age.value.length == 0) valid = false;
  if (mailform.subject.value == 2 && mailform.gender.value.length == 0) valid = false;
  if (mailform.subject.value == 2 && mailform.location.value.length == 0) valid = false;
  if (mailform.subject.value == 2 && mailform.usage.value.length == 0) valid = false;
  if (mailform.subject.value == 2 && mailform.experience.value.length == 0) valid = false;
  if (valid == true) {
    return;
  }else{
    alert("You must fill out all fields");
    return false;
  }
}


function forminit() {
  if (document.forms[0].subject.value == 0) {
    document.getElementById('othersubject').style.display = "inline";
  }else if (document.forms[0].subject.value == 1) {
    document.getElementById('morecomplaint1').style.display = "inline";
    document.getElementById('morecomplaint2').style.display = "inline";
    document.getElementById('morecomplaint3').style.display = "inline";
    document.getElementById('morecomplaint4').style.display = "inline";
  }else if (document.forms[0].subject.value == 2) {
    document.getElementById('moreapplication1').style.display = "inline";
    document.getElementById('moreapplication2').style.display = "inline";
    document.getElementById('moreapplication3').style.display = "inline";
    document.getElementById('moreapplication4').style.display = "inline";
    document.getElementById('moreapplication5').style.display = "inline";
    document.getElementById('moreapplication6').style.display = "inline";
  }else if (document.forms[0].subject.value == 3) {
    document.getElementById('moretech').style.display = "inline";
  }
}