function orderbrand(){
      var pars = "";
      var iurl = "/web.ajax/brand/orderbrand.jsp";
      new Ajax.Updater("listbrand",iurl,{method:'get',parameters:pars,asynchronous:true});
}

function brandPH(){
      var pars = "aType="+arguments[1];
      var iurl = "/web.ajax/brand/orderbrand.jsp";
      new Ajax.Updater(arguments[0],iurl,{method:'get',parameters:pars,asynchronous:true});
}