jQuery: Validity code snippet

gistfile1

//Validity plugin 
<link rel="stylesheet" href="javascripts/validity/jquery.validity.css">
<script src="javascripts/validity/jquery.validity.js"></script>
<script>

(function($){
    
        $("#quote-form").validity(function() {

          $("#firstname").require("Please provide your full name");
          $("#youremail")
            .require("Please provide an email address.")
            .match("email");
          $("#phone").require("Please enter your phone number.");
         
});
})(jQuery); 
</script>