--- Trevor Warren <[EMAIL PROTECTED]> wrote:

> Hello Guys/Gals,
> 
>   One of me colleagues at work just called to check if i had a solution on
> an IE to firefox porting issue. Glad to know that commercial applns are now
> being forced the firefox way..:D. Will mention the challenge in brief :
> 
> > 35000 html pages
> > javascript written for IE
> > DOM based on IE
> 
>    What would be the best way for me to port this IE based application to
> firefox such that we can use it from Linux as  well as MS???. Are there any
> automated tools/parsers that i can make use of??.
> 

None exist. You'd have to resort to one or a combination of the following:
1. When accessing IE specific object attributes, replace the object.property
calls with a function call that returns a browser specific property.

2. On document load, add to the object's prototype those IE attributes that FF
does not have.

>    Secondly, the other through process i had in mind was...if the first part
> isnt feasible can we build plugin the IE  javas script and DOM model support
> into firefox as a plugin. This sounds ambitious but am just trying to
> explore some options out here where none seem to exist.
> 

This is not really far fetched. I'm teaching myself the Firefox architecture,
and aim to write similar FF extensions. There is a market for such extensions,
and willing customers. Getting the app to a wider audience would have higher
priority as compared to making the app cross browser compatible.

Just a tip: Before your colleague gets started with the migration, ask him to
use Sahi (http://sahi.sourceforge.net/)to record the app's behaviour in IE.
Then as they port the pages to FF/Safari, they could run Sahi tests to ensure
that the application behaves as on Windows.

-- Sriram

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