 (var j = 0; j != block.length; j++) {
                docElt.appendChild(block[j]);
             }
             x += pixSize;
             r += regionSize;
             break;
           }
         }
     }
  }
}

function main() {
  var minr = -20;
  var mini = -15;
  var maxr = 10;
  var maxi = 15;
  var pixelWidth = 256;
  var aspect = (maxr-minr)/(maxi-mini);
  return mandelMadness(0, 0, minr, mini, pixelWidth/4,
                       pixelWidth * aspect, pixelWidth,
                       mini, minr,