function checkEmail(myForm) {
  if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myForm.from.value)){
    if (myForm.name.value == '') {
      alert("Please enter your name.")
      return (false)
    }
      return (true)
  }
    alert("Your email address is invalid. Please re-enter.")
    return (false)
}