function Mind() 
{ 
	
	this.newRun = function()                  
	{
	};


	this.getAction = function ( x )		 
	{
	    var ai = x[0];
		var aj = x[1];
		var ei = x[2];
		var ej = x[3];

		// if strictly move away, will get stuck at (invisible) wall, so introduce randomness 
		
		 if ( ei < ai ) 	return ( AB.randomPick ( ACTION_RIGHT,	AB.randomPick3 ( ACTION_LEFT, 	ACTION_UP, ACTION_DOWN ) 		)); 
		 if ( ei > ai ) 	return ( AB.randomPick ( ACTION_LEFT,	AB.randomPick3 ( ACTION_RIGHT, 	ACTION_UP, ACTION_DOWN ) 		)); 

		 if ( ej < aj ) 	return ( AB.randomPick ( ACTION_UP,		AB.randomPick3 ( ACTION_DOWN,	ACTION_RIGHT, ACTION_LEFT ) 	)); 
		 if ( ej > aj ) 	return ( AB.randomPick ( ACTION_DOWN,	AB.randomPick3 ( ACTION_UP, 	ACTION_RIGHT, ACTION_LEFT ) 	));	 
		 return  ( AB.randomIntAtoB (0,3) );
	};

		 
	this.endRun = function()                 
	{
	};

}