/**
 * @author MansonPlus
 */
var loader = new YAHOO.util.YUILoader({ 
        base: "", 
        require: ["event","json","yahoo","yuiloader","cookie","connection"], 
        loadOptional: false, 
        combine: true, 
        filter: "MIN", 
        allowRollup: true, 
        onSuccess: function() { 
			traer_catalogos();
        },
		 onFailure: function(o) {
            alert("error: " + YAHOO.lang.dump(o));
        }

    }); 
 
loader.insert();