// JavaScript Document

function valbutton(thisform) {
  
//Name
nameOpt = thisform.person.value;
  if (nameOpt == "") {
    alert("Please enter your name.");
    return false;
  }
  
//Email
emailOpt = thisform.email.value;
  if (emailOpt == "") {
    alert("Please enter your email address.");
    return false;
  }
  
// Subject
  subjOpt=0;
  for (i=thisform.subject.length-1; i > -1; i--) {
  if (thisform.subject[i].selected) {
  subjOpt = i; i = -1;
  }
  }
  if(document.contact_form.subject.selectedIndex==0)
  {
  alert("Please choose a subject.");
  return false;
  }
  
// Message
  msgOpt = thisform.message.value;
  if (msgOpt == "") {
    alert("Please enter a message.");
    return false;
  }
  

// Verification
  verifOpt = thisform.verif.value;
  if (verifOpt != "2") {
    alert("Please enter the correct sum of 1+1.");
    return false;
  }
  
//Store Variables: 
  
  //Name
  var personVar = "";
  var personVar = (thisform.person.value);
  document.contact_form.personhid.value = personVar;
  
  //Email
  var emailVar = "";
  var emailVar = (thisform.email.value);
  document.contact_form.emailhid.value = emailVar;
  
  //Subject
  var subjectVar = "";
  var subjectVar = (thisform.subject[subjOpt].value);
  document.contact_form.subject.value = subjectVar;
  
  //Message
  var messageVar = "";
  var messageVar = (thisform.message.value);
  document.contact_form.messagehid.value = messageVar;

  
// submit form after validating
  thisform.submit(); 
  
  }