Java SE (Java Platform, Standard Edition)

hi all
I know how to call applet method using java script simply
but if I have to call applet method in package from java script, which has init()
method its inside(I mean main class...)
is there some tip or method to solve this problem?
what I did was just calling applet method in package like

document.package.subpackage.MyAppl.myMethod()

there is an error in java script
it might be null or no method found in your script
so I want to know there are some methods or tips solving this problem
I am looking forward to your answer
have a nice day...