$(document).ready(function(){
	//global vars
	var form = $("#contactForm");
	var name = $("#enquirer_name");
	var nameInfo = $("#nameInfo");
	var email = $("#email");
	var emailInfo = $("#emailInfo");
	var query = $("#query");
	var queryInfo = $("#queryInfo");
	var message = $("#message");
	var messageInfo = $("#messageInfo");
	
	
	
	//On blur
	name.blur(validateName);
	email.blur(validateEmail);
	query.blur(validateQuery);
	message.blur(validateMessage);
	//On key press
	name.keyup(validateName);
	email.keyup(validateEmail);
	query.keyup(validateQuery);
	message.keyup(validateMessage);
	//on change
	query.change(validateQuery);
	
	//On Submitting
	form.submit(function(){
		if(validateName() & validateEmail() & validateQuery() & validateMessage())
			return true
		else
			return false;
	});
	
	//validation functions
	
	
	function validateName(){
		//if it's NOT valid
		if(name.val().length == 0){
			name.addClass("error");
			nameInfo.text("Please enter your name!");
			nameInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			name.removeClass("error");
			nameInfo.text("");
			nameInfo.removeClass("error");
			return true;
		}
	}
	
	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("");
			emailInfo.removeClass("error");
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			emailInfo.text("Please type a valid e-mail");
			emailInfo.addClass("error");
			return false;
		}
	}
	
	function validateQuery() {
		//if it's NOT valid
		if(query.val() == 0){
			query.addClass("error");
			queryInfo.text("Please tell us what kind of query you have.");
			queryInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			query.removeClass("error");
			queryInfo.text("Please tell us what kind of query you have.");
			queryInfo.removeClass("error");
			return true;
		}

	}
	
	
		
	function validateMessage(){
		//if it's NOT valid
		if(message.val().length == 0){
			message.addClass("error");
			messageInfo.text("Please type a message.");
			messageInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			message.removeClass("error");
			messageInfo.text("");
			messageInfo.removeClass("error");
			return true;
		}
	}
	
});