// JavaScript Document

$(document).ready(function(){
	//global vars
	var form = $("#form");
	var email = $("#email");

	//On blur
	email.blur(validateEmail);


	//On Submitting
	form.submit(function(){
		if(validateEmail())
			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");                      
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			return false;
		}
	}
             
        
        
});