input type="file" readonly="readonly" - can I make something like that work in IE7?

Question

I want to let the control to upload a file, but the textbox before the Browse button should be readonly, and it doesn't work in IE7, but in Firefox it works well!
the code snippet :

It works in firefox and in ie6, but not in ie7, that will be more popular after microsoft included it in his updates.

Answer 1

Strange... it's working for me in IE6. But I usually use the readonly="true" value. Shouldn't make a difference though.

Does it work in IE6 and not in IE7?