[Ietab] Use IE Tab for ActiveX scripting of XUL application ?

[t.pompe at architekt-prinz.at]

Hello!

I'm currently porting an existing AJAX intranet webapp to XUL.
One important function of this webapp is export/integration to MS-Office applications
(Excel and Word). This is done by scripting AktiveXObjects with javascript 
( ... 
  var xls = new ActiveXObject( "Excel.Application" ); 
  var newBook = xls.Workbooks.Add;
...), 
and it works very very good.

As Firefox doesn't support this, I've tried the Mozilla ActiveX-Plug-in from
http://www.iol.ie/~locka/mozilla/plugin.htm
but can't get it working for scripting Office objects 
(as others i found on some forums can't too: the only scriptable object is Win.Media Player).

But I found out, that using IE Tab, the pages of my webapp do the scripting perfectly.
So my idea is to integrate an IE Tab in some transparent way into my XUL application,
load the scripting code there and feed it with the data I want to be exported/scripted.


Since I'm a novice in XUL, I don't know exactly where to start this,
so I ask, if someone knows how this could be done and if that's possible at all ?
Could the document of an IE Tab be visible to Firefox XUL ?

Thanks for any hints and tips  
Thomas
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