opencv dll in web browser

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hi,

I am creating web cam capture module using oepncv in netbeans. some thing i want to know-

1- system.setproperty() - not working when you set -Djava.library.path in vm option then its working.

2- if i am adding jar file in html applet then error shows- runtime exception java.lang.unsatisfieldlinkerror: no opencv_java249 in java library path, how to add library path in html tag.

3- after hosting if i will run some another client browser then opencv is necessary in client machine ?, and anyother setting require in client machine to open web cam capture applet.

thanks