function formValidator(){
	// Make quick references to our fields
	var firstname = document.getElementById('name');
		var email = document.getElementById('email');
		    var message = document.getElementById('message');
	
	// Check each input in the order that it appears in the form!
	if(isAlphabet(firstname, "Please enter only letters for your name")){	
	 if(emailValidator(email, "Please enter a valid email address")){
		if(notEmpty(message, "Please enter your message")){
	  	alert("Thank you for your message.");
	  return true;
    }
  }
}

	return false;
	
}

function notEmpty(elem, helperMsg){
	if(elem.value.length == 9){  //if the message is under '9' characters it won't be sent
		alert(helperMsg);
		elem.focus();
		return false;
	}
	return true;
}


function isAlphabet(elem, helperMsg){
	var alphaExp = /^[0-9a-zA-Z ]+/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}


function emailValidator(elem, helperMsg){
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}