|  hideAtBegin Library Method   Short Description: Hide associated HTML element at begin of transition  Signature:  t.hideAtBegin ()    Group:  HTMLControl    Class:  transition Class        Hides the element associated with the current transition before playing the
       transition.   Examples 
     |  taccgl.a("testimg").startTime(1).paint().hideAtBegin().visAtEnd().to(500,500,1).start();  | RUN |  |  taccgl.a("testimg").startTime(1).paint().hideAtBegin().visFinal().to(500,500,1).start();  | RUN |  |  taccgl.a("testimg").startTime(1).paint().hide().visAtEnd().to(500,500,1).start();  | RUN |      WebGL™ is a trademark of the Khronos Group Inc. 
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