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 We require the files from the previuosprevious example and add 
 <br/><tt>_extra_urls['english'] &#160; &#160; &#160; &#160; = 'http://[scheduler_host]:[scheduler_port]/index.html';</tt>
 <br/><tt>_extra_urls['russian'] &#160; &#160; &#160; &#160; = 'http://[scheduler_host]:[scheduler_port]/index.html#ru';</tt>
 <br/><tt>_extra_urls['french']&#160; &#160; &#160; &#160; &#160; = 'http://[scheduler_host]:[scheduler_port]/index.html#fr';</tt>
 <br/>in the ''custom.js''.
 <br/> 
 <br/>If you call the operationsGui you find links in the right top <tt>Extras</tt> menu, so you can easily choose the language.