Firefox 1.5.0.3 error. BUG?

Hi alex, im getting the follow message:

Erro: uncaught exception: [Exception... "Component returned failure code: 0x80004003 (NS_ERROR_INVALID_POINTER) [nsIDOMHTMLBodyElement.removeChild]"  nsresult: "0x80004003 (NS_ERROR_INVALID_POINTER)"  location: "JS frame :: file:///D:/ActiveWidgets/runtime/lib/aw.js :: anonymous :: line 38"  data: no]
// and
Erro: [Exception... "'Permissão negada para definir a propriedade XULElement.selectedIndex' when calling method: [nsIAutoCompletePopup::selectedIndex]"  nsresult: "0x8057001e (NS_ERROR_XPC_JS_THREW_STRING)"  location: "JS frame :: file:///D:/ActiveWidgets/runtime/lib/aw.js :: currentItem2 :: line 51"  data: no]
Arquivo-fonte: file:///D:/ActiveWidgets/runtime/lib/aw.js
Linha: 51

Btw, i use combo object when i get the error, using with theses modifications:

var cmb = new AW.UI.Combo;
cmb.setItemText(["a", "b", "c", "d"]);
cmb.setItemCount(4);
// work like a list
cmb.getContent('box/text').setAttribute('readonly', true); 
//cmb.onControlActivated = function(){ return true; } // doenst work in ff, why? anyway, i coment.
cmb.onControlClicked = function() {
  this.showPopup();
}

Tkz alex.

Tkz alex.

anyone want help me plz?

Yes, this is a bug. I can reproduce it in 1.5 and 1.5.0.2 as well.

oh, its a bug. So, hav ways to fix it?
because i really need :-)
tkz alex.