Can not disable IE default shortcut key Action

 I tried to capture the key press event action in the web page and it all works very well by this way.

 if (keyCode == 113) {
            //alert("F2");
         add();

But when tried to disable IE default shortcut key action for certain key. E.g. F3. I met some problem.

I tried to use  return event.returnValue = false;; to block the event.

But it did not work at all in the IE7. It 's really a pain in the ass.

I tried sereral way and finally I get work on this way.

 

if (isIE) { event.keyCode=-1; return event.returnValue = false;; }

I set the event.keyCode to some value else to "cheat" the IE browser.

And it works

 

Some informatin for this issue:

 IE7: onClick event on anchor element does not work

http://secte.wordpress.com/2008/12/11/ie7-onclick-event-does-not-work/