Automatically closes the browser? That's a bad idea. Anything that behaves unexpectedly is bound to generate confusion, and maybe even cost the company lost time/productivity [i.e., money]. They should instead deliver a web page that instructs the user to use whatever browser, and do nothing automatically. Users will learn, after a few forgetful attempts, to use the company's chosen browser, and meanwhile there will be no calls to tech support, no wasted time retrying the site, etc.

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osxpounder

...or, you could get the lazy web designers at your company to get off their lazy asses and actually create a page that conforms to OPEN standards and not "Microsoft standards."

It kills me when I see a page that "requires" Explorer -- when it's just sloppy, lazy web designers.