$.validator.setDefaults({
    submitHandler: function() {
        $('#signin').disable();
        $("#signinform").submit();
    }
});
	 
$().ready(function() {
	
    // validate sign in form
    $("#signinform").validate({	
        rules: {
            email: {
                required: true,
                email: true
            },
            password:{
                required: true
            }
        },
        messages: {

            email: {
                required: "We need an email address",
                email: "Please enter a valid email address"
            },
            password :"We need you to write your message in here"
        }
    });
	
});