How to pass parameter from javascript to applet ?

i have some parameters from form in html,
and i would like to pass from javascript to an applet,
(which a type of calling method in applet from javascript)
and get back data from applet to display in html
how could i do this ?

in my program,
i pass 3 string to the applet
var reply = document.test.called(ft, fc, tc)
in the fucntion "called" in the "test" applet
i simply test it by
public String called(String l, String from, String to){
return "abcd";
but the result should the value return is "1"
can anyone help me ?

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null

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