|  Identifier Usage     When Loading the Library  When loading the library, it will create the taccgl object and
      some other functions and variables. 
    All javaScript identifiers used by taccgl™ start with taccgl.
   
    Simply loading the library will not yet modify the DOM or install any event handlers.
    After Initialzation of the library  Usually the first call to taccgl™ initializes the library. It can
      also be manually initialized calling taccgl.begin.
  
    Upon initialization taccgl™ inserts various canvas HTML elements 
      after the body tag of the main document. Ids are taccgl_canvas3d,
      taccgl_textureCanvas,
      taccgl_textureCanvas2,
      taccgl_textureCanvas3,
      taccgl_detect, and
      taccgl_scratchCanvas.
       WebGL™ is a trademark of the Khronos Group Inc. 
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