docs: function (init) {
  		var animation = this.options.animation;
  		
  		if (!init) { // run the animation
  			each(this.points, function (point) {
  				var graphic = point.graphic,
  					shapeArgs = point.shapeArgs;
  
  				if (graphic && shapeArgs) {
  					// start values
  					graphic.attr('r', 1);
  
  					// animate
  					graphic.animate({
  						r: shapeArgs.r
  					}, animation);
  				}
  			});
  
  			// delete this function to allow it only once
  			this.animate = null;
  		}
  	}