$(document).ready(function(){
	//global vars
	var form = $("#application");
	var fname = $("#fname");
	var fnameInfo = $("#fnameInfo");
	var lname = $("#lname");
	var lnameInfo = $("#lnameInfo");
	var email = $("#email");
	var emailInfo = $("#emailInfo");
	var situation = $("#situation");
	var situationInfo = $("#situationInfo");
	var phone = $("#phone");
	var phoneInfo = $("#phoneInfo");
	var country = $("#country");
	var countryInfo = $("#countryInfo");

	
	//On blur
	fname.blur(validateName);
	lname.blur(validateName2);
	email.blur(validateEmail);
	situation.blur(validateSituation);
	phone.blur(validatePhone);
	country.blur(validateCountry);
	

	//On key press
	fname.keyup(validateName);
	lname.keyup(validateName2);
	situation.keyup(validateSituation);
	country.keyup(validateCountry);
	phone.keyup(validatePhone);

	//On Submitting
	form.submit(function(){
		if(validateName() & validateEmail() & validateName2() & validateSituation() & validatePhone() & validateCountry())
			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("");
			emailInfo.removeClass("error");
			return true;
		}
		//if it's NOT valid
		else{
			email.addClass("error");
			emailInfo.text("Please enter a Valid Email");
			emailInfo.addClass("error");
			return false;
		}
	}

	function validateName(){
		//if it's NOT valid
		if(fname.val().length < 1){
			fname.addClass("error");
			fnameInfo.text("Please enter a First Name");
			fnameInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			fname.removeClass("error");
			fnameInfo.text("");
			fnameInfo.removeClass("error");
			return true;
		}
	}
		function validateName2(){
		//if it's NOT valid
		if(lname.val().length < 1){
			lname.addClass("error");
			lnameInfo.text("Please enter a Last Name");
			lnameInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			lname.removeClass("error");
			lnameInfo.text("");
			lnameInfo.removeClass("error");
			return true;
		}
	}
	
	function validateSituation(){
		//if it's NOT valid
		var value=0;
		for (var i=0; i < document.application.mentor_q1.length; i++)
   		{
   			if (document.application.mentor_q1[i].checked)
    		  {
     		value = document.application.mentor_q1[i].value;
      			}
   		}

		if(value < 1){
			situation.addClass("error");
			situationInfo.text("Please select one of the options above");
			situationInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			situation.removeClass("error");
			situationInfo.text("");
			situationInfo.removeClass("error");
			return true;
		}
	}
	function validatePhone(){
		//if it's NOT valid
		if(phone.val().length < 1){
			phone.addClass("error");
			phoneInfo.text("Please Enter Your Phone Number");
			phoneInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			phone.removeClass("error");
			phoneInfo.text("");
			phoneInfo.removeClass("error");
			return true;
		}
	}
	function validateCountry(){
		//if it's NOT valid
		if(country.val().length < 1){
			country.addClass("error");
			countryInfo.text("Please Select Your Country of Residence");
			countryInfo.addClass("error");
			return false;
		}
		//if it's valid
		else{
			country.removeClass("error");
			countryInfo.text("");
			countryInfo.removeClass("error");
			return true;
		}
	}
	
});