function draw(canvasName) {
// Get Canvas and Create Chart
var canvas = document.getElementById(canvasName);
// Create Chart
chart = new Scribl(canvas, 660);
chart.laneSizes = 15;
// parse and load genbank file
chart.loadGenbank(getGenbankData());
// Draw Chart
chart.draw();
// Create image of chart1
var img = chart.canvas.toDataURL("image/png");
// Add link to download image
document.getElementById('export').href = img;
}