["tilescript",
["html", "<img src=\"data/scribble.gif\">\n"],
["html", "<canvas id=\"canvas\" width=\"400\" height=\"200\">\n</canvas>"],
["source", "canvas = $(\"canvas\");\nctx = canvas.getContext('2d');\nctx.beginPath();"],
["tile", "ctx['strokeStyle']='rgba(255, 128, 64, 0.1)'"],
["tile", "ctx['lineWidth']=8"],
["source", "canvas.onmousemove = function (e) {\n  x = e.pageX - this.offsetLeft;\n  y = e.pageY - this.offsetTop;\n  ctx.lineTo(x, y);\n  ctx.stroke();\n}\n"]
]