$(document).ready(function(){	
});

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{
		$("#contact1").show(200)
		$("#contact2").hide(200)
		$("#contact3").hide(200)
		elem.focus();
		return false;
	}
}

function isAlphabet(elem, helperMsg){
	var alphaExp = /^[a-zA-Z ]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	} else {
		$("#contact2").show(200)
		$("#contact1").hide(200)
		$("#contact3").hide(200)
		elem.focus();
		return false;
	}
}

function lengthRestriction(elem){
	var uInput = elem.value;
	if(uInput.length > 0){
		return true;
	} else {
		$("#contact3").show(200)
		$("#contact1").hide(200)
		$("#contact2").hide(200)
		elem.focus();
		return false;
	}
}

function formValidator(){
	var naam = document.getElementById('naam');
	var email = document.getElementById('email');
	var bericht = document.getElementById('bericht');
	
	if(isAlphabet(naam, "Please enter only letters for your name")){
					if(lengthRestriction(bericht)){
						if(emailValidator(email, "Please enter a valid email address")){
							return true;
						}
					}
	}
	return false;
}