====== setScreen ======
Sets emulated screen settings to the specified parameters
.===== Syntax =====
<code javascript>setScreen = function(aScreen);</code>
==== Parameters ====
  * **//aScreen//** 
    * //functions:// structure containing the required screen settings 
===== Notes =====
  *  The real parameters of the screen do not change.
===== Examples =====
  -<code javascript>var screen = {};
screen.width = 1024;
screen.height = 768;
screen.colorDepth = 24;
screen.pixelDepth = 24;
screen.availHeight = 984;
screen.availWidth = 768;
screen.availLeft = 0;
screen.availTop = 0;
setScreen(screen);</code>