====== getExtSource ======
Gets external source on the specified address, using the specified [[http://en.wikipedia.org/wiki/User_agent|User-agent]].
===== Syntax =====
<code javascript>getExtSource = function(aURL, aUserAgent);</code>
==== Parameters ====
  * **//aURL//** 
    * //functions:// address where the request is sent
  * **//aUserAgent//** 
    * //functions:// [[http://en.wikipedia.org/wiki/User_agent|User-agent]], which will be used to make a request
==== Returned value ====
  * //functions:// structure containing the treated [[en:help:externalsource|external data source]]
===== Notes =====
  * If aUserAgent is not specified, it will be used the browser's  User-agent. 
===== Examples =====
  -<code javascript>var es = getExtSource('http://mysite.ru/extsource.txt');
log(JSON.stringify(es));</code>