Unknown EXT exceptions

[GoogleCodeExporter]

What steps will reproduce the problem?
1. i don't know...

============
1st excepction:
[Exception... "'Element.alignToXY with an element that doesn't exist' when
calling method: [nsIDOMEventListener::handleEvent]" nsresult: "0x8057001e
(NS_ERROR_XPC_JS_THREW_STRING)" location: "<unknown>" data: no]
(?)()XPCSafeJSObjectWr... (line 445)
[Break on this error] null
XPCSafeJSObjectWr... (line 445)

=============
2nd exception:
Permission denied to get property XULElement.nodeType
camelFn(body#ext-gen6.ext-gecko)ext-all.js (line 14)
GridView(slider)ext-all.js (line 142)
GridView(slider)ext-all.js (line 142)
GridView(Object browserEvent=Event blur button=-1 type=blur, img#ext-gen980
person-def.gif)ext-all.js (line 142)
Observable(undefined)ext-all.js (line 12)
Observable()ext-all.js (line 12)
Observable()ext-all.js (line 12)
EventManager()ext-all.js (line 13)
getViewWidth()ext-base.js (line 10)
[Break on this error] (function(){var D=Ext.lib.Dom;var E=Ext.lib.Event;var
A=Ext.lib.Anim;var propCac...

Original issue reported on code.google.com by danigb on 3 May 2008 at 1:37

[GoogleCodeExporter]

Above exceptions using FF3b5

Original comment by danigb on 3 May 2008 at 1:39

[GoogleCodeExporter]

I get the 2nd one with CF8 CFGrid (Ext 1.1) when i mouse over a grid. It does 
not 
happen right away, but usually occurs eventually if I stay on the page. 

Original comment by br...@oedings.com on 13 Sep 2008 at 8:02