recursive fill function

Phil

function fill(x,y) {
	if (c.getImageData(x,y, 1,1).data[0] !== 0) {
		c.fillRect(x,y, 1,1);
		fill(x-1, y-1);	fill(x, y-1); fill(x+1, y-1);
		fill(x-1, y);	/* current */ fill(x+1, y);
		fill(x-1, y+1);	fill(x, y+1); fill(x+1, y+1);
	}
}

wildly inefficient but neat