$(document).ready(function(){
	//global vars
	var form = $("#customForm");
	var name = $("#name");
	var nameInfo = $("#nameInfo");
	var wname = $("wname");
	var email = $("#email");
	var emailInfo = $("#emailInfo");
	var subject = $("#subject");
	var subjectInfo = $("#subjectInfo");
	var message = $("#message");
	var messageInfo = $("#messageInfo");

	
	//On blur
	name.blur(validateName);
	email.blur(validateEmail);
	subject.blur(validateSubject);
	message.blur(validateMessage);
	
	//On Submitting
	form.submit(function(){
		if(validateName() & validateEmail() & validateSubject() & validateMessage())
			return true
		else
			return false;
	});
	
	//validation functions
	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("What is your E-mail address?");
			emailInfo.removeClass("error");
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			emailInfo.text("Type a valid e-mail.");
			emailInfo.addClass("error");
			return false;
		}
	}
	function validateName(){
		//if it's NOT valid
		if(name.val() == "" )
		{
			name.addClass("error");
			nameInfo.text("Fill in your name.");
			nameInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			name.removeClass("error");
			nameInfo.text("What is your name?");
			nameInfo.removeClass("error");
			return true;
		}
	}
	
	function validateSubject(){
		//if it's NOT valid
		if(subject.val() == ""){
			subject.addClass("error");
			subjectInfo.text("Fill in the subject.");
			subjectInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			subject.removeClass("error");
			subjectInfo.text("Hit me up with a Subject.");
			subjectInfo.removeClass("error");
			return true;
		}
	}

	function validateMessage(){
		//it's NOT valid
		if(message.val() == ""){
			message.addClass("error");
			messageInfo.text("Fill in the message.");
			messageInfo.addClass("error");
			return false;
		}
		//it's valid
		else{			
			message.removeClass("error");
			messageInfo.text("What would you like to talk about?");
			messageInfo.removeClass("error");
			return true;
		}
	}
});