Disable PrintScreen 
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Free JavaScript provided by ©2004-VB'Breizh
Last update : (09/02/2004) Compatibility : 
...Press the [PrintScreen] or the [Alt+PrintScreen] key and try to paste the content in your favorite Picture Editor (Paint,...)...
...Select text and try to paste the content in your favorite Text Editor (Notepad,...)...
This small script clears the clipboard at runtime and disables screen capture process...but does not disable text selection...
...Copy the JavaScript source code below
