code: function _fnClick ( e )
  	{
  		var nTarget = this;
  		while ( nTarget.nodeName != "TD" )
  		{
  			nTarget = nTarget.parentNode;
  		}
  
  		_fnSetFocus( nTarget );
  		_fnCaptureKeys();
  	}
docs: /*
  Function: _fnClick
  Purpose:  Focus on the element that has been clicked on by the user
  Returns:  -
  Inputs:   event:e - click event