====== AddURLFilter ======
Adds URL filter.
===== Syntax =====
<code pascal>procedure AddURLFilter(aURLPart: string);</code>
==== Parameters ====
  * **//aURLPart//** 
    * //type:// string
    * //functions:// part of the URL address for filtering
===== Notes =====
  * All the URL, containing aURLPart are filtered 
===== Examples =====
  -<code pascal>//Forbid to download URL, contain "mc.yandex.ru"
AddURLFilter('mc.yandex.ru');</code>