var Games = function () {
  return {
    addCategoryDropdownListener : function() {
      if ($j("#choose_category")) {
        $j("#category_select").bind(
	  "change",
          function () {
            window.location = $j(this).attr("value");
          }
        );
      }
    }
  }
}();

$j(document).ready(function () {
  Games.addCategoryDropdownListener();
});