====== getElementsAttribute ======
Gets an array of values ​​of the specified attribute of specified elements
===== Syntax =====
<code javascript>getElementsAttribute = function(aElements, aAttribute)</code>
==== Parameters ====
  * **//aElements//** 
    * //functions:// elements array
  * **//aAttribute//** 
    * //functions:// attribute, values of which are to be obtained
==== Returned value ====
  * //functions:// array of attribute values
===== Notes =====
===== Examples =====
  -<code javascript>//Loading page google.ru
loadURI('google.ru');
//Get an elements array "div"
var elements = getElements('div');
//Get an array of attribute "id" values of elements array.
var ids = getElementsAttribute(elements,'id');
log(JSON.stringify(ids));</code>