ExternalInterface.call problem

Hi

I have a swf file in which when a button is clicked it calls a function in a javascript file using ExternalInterface.call

Now everything works fine if all files are in one folder.

but now If a place the swf file in this location /assets/swf/test.swf and the java script file in this location /assets/scripts/test.js

it doesnt work can someone suggest a solution to this please?

Thanks