function validate_newsletter() {
  if (document.form_newsletter.email.value == "" || document.form_newsletter.email.value.indexOf("@")==-1 || document.form_newsletter.email.value.indexOf(".")==-1 ) {
    alert("Please fill in the correct email address");
  }
  else {document.form_newsletter.submit();}
}

function validate_contact() {
  var vbCRLF = String.fromCharCode(13,10);
  var incomplete = 0, msg = "";
  if ((document.form_contact.contactName.value == "") || (document.form_contact.contactName.value == "Your name")){
    incomplete = 1;
    msg = " - Name" + vbCRLF;
  }
  if (document.form_contact.contactEmail.value == "" || document.form_contact.contactEmail.value.indexOf("@")==-1 || document.form_contact.contactEmail.value.indexOf(".")==-1 ) {
    incomplete = 1;
    msg += " - Email" + vbCRLF;
  }
  if (incomplete == 1) {
    alert("Please fill in missing information:" + vbCRLF + msg);
  }
  else {document.form_contact.submit();}
}

function validate_quote() {
  var vbCRLF = String.fromCharCode(13,10);
  var incomplete = 0, msg = "";
  if (document.form_quote.fname.value == "") {
    incomplete = 1;
    msg = " - First Name" + vbCRLF;
  }
  if (document.form_quote.lname.value == "") {
    incomplete = 1;
    msg += " - Last Name" + vbCRLF;
  }
  if (document.form_quote.email2.value == "" || document.form_quote.email2.value.indexOf("@")==-1 || document.form_quote.email2.value.indexOf(".")==-1 ) {
    incomplete = 1;
    msg += " - Email" + vbCRLF;
  }
  if (incomplete == 1) {
    alert("Please fill in missing information:" + vbCRLF + msg);
  }
  else {document.form_quote.submit();}
}

function validate_special_offer() {
  var vbCRLF = String.fromCharCode(13,10);
  var incomplete = 0, msg = "";
  if (document.form_newsletter_offer.name3.value == "") {
    incomplete = 1;
    msg = " - First and Last Name" + vbCRLF;
  }
  if (document.form_newsletter_offer.email3.value == "" || document.form_newsletter_offer.email3.value.indexOf("@")==-1 || document.form_newsletter_offer.email3.value.indexOf(".")==-1 ) {
    incomplete = 1;
    msg += " - Email" + vbCRLF;
  }
  if (incomplete == 1) {
    alert("Please fill in missing information:" + vbCRLF + msg);
  }
  else {document.form_newsletter_offer.submit();}
}

function validate_special_offer2() {
  var vbCRLF = String.fromCharCode(13,10);
  var incomplete = 0, msg = "";
  if (document.form_newsletter_offer2.name4.value == "") {
    incomplete = 1;
    msg = " - First and Last Name" + vbCRLF;
  }
  if (document.form_newsletter_offer2.email4.value == "" || document.form_newsletter_offer2.email4.value.indexOf("@")==-1 || document.form_newsletter_offer2.email4.value.indexOf(".")==-1 ) {
    incomplete = 1;
    msg += " - Email" + vbCRLF;
  }
  if (incomplete == 1) {
    alert("Please fill in missing information:" + vbCRLF + msg);
  }
  else {document.form_newsletter_offer2.submit();}
}

function validate_special_offer3() {
  var vbCRLF = String.fromCharCode(13,10);
  var incomplete = 0, msg = "";
  if (document.form_newsletter_offer3.name5.value == "") {
    incomplete = 1;
    msg = " - First and Last Name" + vbCRLF;
  }
  if (document.form_newsletter_offer3.email5.value == "" || document.form_newsletter_offer3.email5.value.indexOf("@")==-1 || document.form_newsletter_offer3.email5.value.indexOf(".")==-1 ) {
    incomplete = 1;
    msg += " - Email" + vbCRLF;
  }
  if (incomplete == 1) {
    alert("Please fill in missing information:" + vbCRLF + msg);
  }
  else {document.form_newsletter_offer3.submit();}
}

function validate_referral_survey() {
  var vbCRLF = String.fromCharCode(13,10);
  var incomplete = 0, msg = "";
  if (document.form_referral_survey.fname.value == "") {
    incomplete = 1;
    msg = " - First Name" + vbCRLF;
  }
  if (document.form_referral_survey.lname.value == "") {
    incomplete = 1;
    msg += " - Last Name" + vbCRLF;
  }
  if (document.form_referral_survey.email2.value == "" || document.form_referral_survey.email2.value.indexOf("@")==-1 || document.form_referral_survey.email2.value.indexOf(".")==-1 ) {
    incomplete = 1;
    msg += " - Email" + vbCRLF;
  }
  if (document.form_referral_survey.feedback.value == "") {
    incomplete = 1;
    msg += " - Feedback" + vbCRLF;
  }
  if (incomplete == 1) {
    alert("Please fill in missing information:" + vbCRLF + msg);
  }
  else {document.form_referral_survey.submit();}
}

function change_question(show_ques) {
  document.getElementById("question1").style.display = "none";
  document.getElementById("question2").style.display = "none";
  document.getElementById("question3").style.display = "none";
  document.getElementById("question4").style.display = "none";
  document.getElementById("question5").style.display = "none";
  document.getElementById("question6").style.display = "none";
  
  document.getElementById(show_ques).style.display = "block";
}