function init() {
	var canvas = document.getElementById("canvas");
	canvas.onmousedown=onMouseDown;
	canvas.onmousemove=onMouseMove;
	canvas.onmouseup=onMouseUp;
	redraw();
	makeToolPanel(document.getElementById("toolPanel"));
	makeActionPanel(document.getElementById("actionPanel"));
	load();
}

window.onload=init;