function ValidateInput() { //v3.0




  var RegDog = document.shirt.dogcolor.value;
  var Fluffy = document.shirt.fluffy.value;

  if (RegDog != 0 && Fluffy != 0) {
     alert("Reminder:\r  You can have only one kind of dog on your shirt.\r  You have chosen two dogs.");
     return false;
  }

  var RegDog = document.polo.dogcolor.value;
  var Fluffy = document.polo.fluffy.value;

  if (RegDog != 0 && Fluffy != 0) {
     alert("Reminder:\r  You can have only one kind of dog on your shirt.\r  You have chosen two dogs.");
     return false;
  }

  return true;

}

function swapImage() {
  var image = document.getElementById("shirtFileName")
  var link = document.getElementById("shirtFileNameLink")
  var dropd = document.getElementById("shirtName")
  image.src = "PoodleShirt/" + dropd.value + ".jpg"
  link.href = "PoodleShirt/" + dropd.value + ".jpg"  
}