How to call function in another .js file?

Hi,
   
  I am using BSF to execute a javascript file from my java application.
   
  Because my logic is complicate, I would like to separate them into functions and put functions into different .js files.
   
  I started to execute my main javascript file like:
   
  BSFManager bsfManager = new BSFManager();
  bsfManager.exec( "javascript",
  "" , 0, 0,
  IOUtils.getStringFromReader(new FileReader("main.js") ));
   
  From the main.js, how can I call a function myfunc1() which is declared in anotherFile.js?
   
  Thanks
   
  Linda

       
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