Key Lockdown - block - disable

I am developing an application, where there is an requirement
to block or disable some of the key-combinations. I am using FLEX 3
for development. I am blocking keys through javascript. All works
fine if flex application is not embedded in the HTML page. My key
blocking code stops working, when i embedded my complied flex
application flash file in my HTML page.
Is there any way so i can block keys using Flex or why this
is happening, is there any workaround for this?
some keys that needs to be blocked are:
All Function keys(F1, F2, F3....)
Alt+F4
Alt+TAB
Windows button
Windows+E
Thanks

quote:
Originally posted by:
EvolvedDSM
Ah, I mis-understood then I think.
So, when you run your app as .mxml, the keys are blocked. But
when running your app as .html with the flex app embedded into it,
the keys are not blocked?
Just trying to understand everything. Let me know
I am attaching a sample html code in which flash is embedded and
key blocking javascript code is not working. HTA tag is not causing
any problems,that i know for sure.

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Key Lockdown - block - disable

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