Calling a ActiveX control through HTML

I am able to call a activeX control(Flexigrid control) through HTML(using it's classID from RegEditor) and I placed this HTML in the javawebserver.From client side it is running fine(In windows Operating System).My Query is wheather the HTML runs independent of Operating System?.If yes then how to register the classID of activeX control in particular Operating System?.
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Raju112699Author Commented:
Edited text of question.
its will work only in IE if activeX enabled

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