function ValidateLogin(){
	var validated = true;
	var username = document.getElementById('username');
	var password = document.getElementById('password');
	
	var invalid = '#fabebe';
	var valid = '#d6f5b8'
	
	var emailPattern = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(emailPattern.test(username.value) == false) {
		username.style.backgroundColor = invalid;
		validated = false;
	}
	else{
		username.style.backgroundColor = valid;
	}
	
	if(password.value == ''){
		password.style.backgroundColor = invalid;
		validated = false;
	}
	else{
		password.style.backgroundColor = valid;
	}
	
	return validated;
}

function ValidateEmail(){
	var emailPattern = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
	if(emailPattern.test(username.value) == false) {
		username.style.backgroundColor = invalid;
		validated = false;
	}
	else{
		username.style.backgroundColor = valid;
	}
}