var?chess=document.getElementById('chess');
var?context=chess.getContext('2d');
context.strokeStyle="#BFBFBF";
var?logo?=?new?Image();
logo.src="images/bg.png";
logo.onload=function(){
	context.drawImage(logo,?0,?0,?450,?450);
	drawChess();
	context.beginPath();
	context.arc(200,?200,?100,?0,?2?*?Math.PI);
	var?gradient?=?context.createRadialGradient(200,?200,?50,?200,?200,?20);
	gradient.addColorStop?=?(0,?"#0A0A0A");
	gradient.addColorStop?=?(1,?"#636766");
	context.fillStyle?=?gradient;
	context.fill();
}
function?drawChess(){
	for?(var?i?=0;?i?<?15;?i++)?{
		context.moveTo(15+i*30,15);
		context.lineTo(15+i*30,435);
		context.stroke();
		context.moveTo(15,15+i*30);
		context.lineTo(435,15+i*30);
		context.stroke();
	}
}