====== Base64Encode ======
Encodes the specified string by Base64 method
===== Syntax =====
<code pascal>function Base64Encode(aText: string): string;</code>
==== Parameters ====
  * **//aText//** 
    * //type:// string
    * //functions:// source string
==== Returned value ====
  * //type:// string
  * //functions:// encoded string
===== Notes =====
===== Examples =====
  -<code pascal>var encoded:=Base64Encode('base64');
//encoded = 'YmFzZTY0'</code>