jQuery("#id_region").change(function(){

  			//alert($("#id_region option:selected").val());
              jQuery("#id_city").load("/index/citylist", { id: (jQuery("#id_region option:selected").val())});
            // $("#id_city").load("http://comfy-travel.com/index/citylist");

              if(jQuery("#id_region option:selected").val() > 0)
              		jQuery("#id_city").attr("disabled", "")
              else
              	jQuery("#id_city").attr("disabled", "disabled")
    });