Calling Big Huge Thesaurus's API with jQuery

gistfile1.js

$.ajax({
  url : "http://words.bighugelabs.com/api/2/youapikey/" + word + "/json?callback=?", 
  dataType : 'json',
  complete : function(jqXHR, textStatus) {
    if (textStatus == 'parsererror') {
      // Did not find any synonyms
      alert("404 error because no synonyms exist for this word");
    }
  },
  success : function(data) {
    // Found synonyms
    alert(data);
  }
});