text: function test(chart) {
  	// First drill down
  	chart.get('top').points[1].doDrilldown();
  
  	// Second drill down
  	chart.get('cars').points[0].doDrilldown();
  
  	// Back to Cars
  	chart.drillUp();
  	
  	// Back to top
  	chart.drillUp();
  
  
  	chart.getSVG = function () {
  		return chart.container.innerHTML;
  	}
  }