$(document).ready(function() {
  $("#cancel").validate({
    rules: {
      ime: "required",
      prezime: "required", 
      dest: "required",   
      term: "required",
      tel: "required",
      adresa: "required",
      prijava: "required",
      email: {             // compound rule
      required: true,
      email: true
      }
    }    
  });
});