Re: Need advice on reliable way to identify IE as the browser

Thanks Walden

This has to be client-side javascript, as I am testing which browser I have, so that I know whether to use the ActiveX or to use the other method for this task that shall remain nameless. The CGI program puts in the script for ActiveX based on values on the iSeries, not on the kind of client. Now that makes me think - I could use this in the CGI, in addition to the conditioning I already have, to decide whether to put in the ActiveX scripting - heh - out of scope at the moment. But I'm keeping this one in reserve.

Vern

-------------- Original message --------------
From: "Walden H. Leverich" <WaldenL@xxxxxxxxxxxxxxx>

Vern,

Even with user-agent spoofing, I'd still use useragent on the server
side. 99.999% of people aren't going to spoof their agent, and those
that do are doing so for a specific reason and deserve what they get.
The whole idea of spoofing is that you are telling the server I'm
browser xxx not browser yyy, treat me as browser xxx, so treat it that
way. If a site works in IE, works in FF, works in Safari, but doesn't
work in FF when claiming to be IE I don't see a problem with that.

-Walden

--
Walden H Leverich III
Tech Software
(516) 627-3800 x3051
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com

Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)


-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx]
On Behalf Of vhamberg@xxxxxxxxxxx
Sent: Wednesday, July 30, 2008 9:17 AM
To: web400@xxxxxxxxxxxx
Subject: [WEB400] Need advice on reliable way to identify IE as the
browser

Have a CGI app that builds a page with some Javascript - it can try to
use an ActiveX object, but, of course, that is invalid in Firefox - or
at least I will treat it as such.

I've looked at some ways to know that the browser is IE - UserAgent I
think is one but things like Opera can make themselves look like IE for
part of it.

The use of the ActiveX object involves a javascript:void that calls a
function. That function tries to execute a function in the ActiveX
object. I have tried a try-catch around the javascript:void but am
seeing - doh - that there will never be an error at that point that I
can respond to - or is there?

In firefox, the call to the ActiveX function does generate an error, but
it's buried in the javascript:void.

So what are my options? Back to useragent or whatever it's called? -
have to check google again. Or is there a way to check some error back
where I use the javascript:void?

Or something else!!

Thanks
Vern
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