function checkRadio(fldName) {
  var check = false;
  for(i=0;i<fldName.length;i++){
    if(fldName[i].checked){
      check = true;
    }
  }
  return(check);
}

function imageConfirm() {
  var check_field = true;

  if(!document.imageEdit.Name.value){
    alert("Please input \"Image Name\" Field");
    document.imageEdit.Name.focus();
    check_field = false;
  }
  else if(!document.imageEdit.Species.value){
    alert("Please input \"Species\" Field");
    document.imageEdit.Species.focus();
    check_field = false;
  }
  else if(!checkRadio(document.imageEdit.ImCellType)){
    document.imageEdit.ImCellType[0].focus();
    alert("Please check \"Cell type\" radio box");
    check_field = false;
  }
  else if(!document.imageEdit.MergeInfo.value){
    alert("Please input \"Merged image information\" Field");
    document.imageEdit.MergeInfo.focus();
    check_field = false;
  }
  
  if(check_field){
    document.imageEdit.submit();
  }

}

function channelConfirm() {
  var check_field = true;
  if(!document.channelEdit.Name.value){
    alert("Please check \"Channel Name\" Field");
    document.channelEdit.Name.focus();
    check_field = false;
  }
  else if(!document.channelEdit.FluorescentProtein.value){
    alert("Please check \"Fluorescent protein /Dye\" Field");
    document.channelEdit.FluorescentProtein.focus();
    check_field = false;
  }
  else if(!checkRadio(document.channelEdit.Expression)){
    document.channelEdit.Expression[0].focus();
    alert("Please check \"Expression\" radio box");
    check_field = false;
  }
  else if(!document.channelEdit.Promoter.value){
    alert("Please check \"Promoter\" Field");
    document.channelEdit.Promoter.focus();
    check_field = false;
  }
  else if(document.channelEdit.Organella.value == ''){
    alert("Please select \"Organella\" Field");
    document.channelEdit.Organella.focus();
    check_field = false;
  }
  else if(document.channelEdit.Organella.value == ''){
    alert("Please select \"Organella\" Field");
    document.channelEdit.Organella.focus();
    check_field = false;
  }
  else if(document.channelEdit.Organella.value == 'Other' && document.channelEdit.OrganellaOp.value == ''){
    alert("Please input \"Organella\" Field");
    document.channelEdit.OrganellaOp.focus();
    check_field = false;
  }
  else if(!checkRadio(document.channelEdit.ChCellType)){
    document.channelEdit.ChCellType[0].focus();
    alert("Please check \"Microscope\" radio box");
    check_field = false;
  }
  if(check_field){
    document.channelEdit.submit();
  }
}

function publicationConfirm() {
  var check_field = true;
  if(!document.publicationEdit.Name.value){
    alert("Please input \"Publication name\" Field");
    document.publicationEdit.Name.focus();
    check_field = false;
  }
  else if(!document.publicationEdit.FirstName.value){
    alert("Please input \"First name\" Field");
    document.publicationEdit.FirstName.focus();
    check_field = false;
  }
  else if(!document.publicationEdit.LastName.value){
    alert("Please input \"Last name\" Field");
    document.publicationEdit.LastName.focus();
    check_field = false;
  }
  else if(!document.publicationEdit.Institution.value){
    alert("Please input \"Institution\" Field");
    document.publicationEdit.Institution.focus();
    check_field = false;
  }
  else if(!checkRadio(document.publicationEdit.PubAns)){
    alert("Please check \"Publication\" Field Yes or No");
    document.publicationEdit.PubAns[0].focus();
    check_field = false;
  }
  else if(!document.publicationEdit.Journal.value && document.publicationEdit.PubAns[0].checked){
    alert("Please input \"Journal\" Field");
    document.publicationEdit.Journal.focus();
    check_field = false;
  }
  else if(!document.publicationEdit.Year.value && document.publicationEdit.PubAns[0].checked){
    alert("Please input \"Year\" Field");
    document.publicationEdit.Year.focus();
    check_field = false;
  }
  else if(!document.publicationEdit.Volume.value && document.publicationEdit.PubAns[0].checked){
    alert("Please input \"Volume\" Field");
    document.publicationEdit.Volume.focus();
    check_field = false;
  }
  else if(!document.publicationEdit.Page.value && document.publicationEdit.PubAns[0].checked){
    alert("Please input \"Page\" Field");
    document.publicationEdit.Page.focus();
    check_field = false;
  }
  if(check_field){
    document.publicationEdit.submit();
  }
}

function clearTextMessages() {
  document.getElementById('myText1').style.display = 'none';
  document.getElementById('myText2').style.display = 'block';
}