$(document).ready(function(){
	
	//message to translate
	var msg_invalid_email = "Email inválido";
	var msg_name = "Nombre muy corto!";
	
	//global vars
	var form = $("#formDiv");  

	var name = $("#name");  
	var nameInfo = $("#nameInfo");
	
	var email = $("#email");  
	var emailInfo = $("#emailInfo");  
	
	var message = $("#message");  
	var messageInfo = $("#messageInfo");
	

	//On blur
	name.blur(validateName);
	email.blur(validateEmail);
	message.blur(validateMessage);
	
	//On Submitting
	form.submit(function(){
		if(validateEmail() & validateMessage() & validateName())
			return true
		else
			return false;
	});
	
	function validateEmail(){
		//testing regular expression
		var a = $("#email").val();
		var filter = /^[a-zA-Z0-9]+[a-zA-Z0-9_.-]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$/;
		//if it's valid email
		if(filter.test(a)){
			email.removeClass("error");
			emailInfo.text("");
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			emailInfo.text(msg_invalid_email);
			return false;
		}
	}
	
	function validateName(){
		//if it's NOT valid
		if(name.val().length < 4){
			name.addClass("error");
			nameInfo.text(msg_name);
			nameInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			name.removeClass("error");
			nameInfo.text("");
			nameInfo.removeClass("error");
			return true;
		}
	}

	function validateMessage(){
		//if it's NOT valid
		if(message.val().length < 4){
			message.addClass("error");
			messageInfo.text("");
			messageInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			message.removeClass("error");
			messageInfo.text("");
			messageInfo.removeClass("error");
			return true;
		}
	}
		
});