function WriteTopLogoImg() {
	document.open();
	document.write ('<div align="center"><img src="./img/logo/gp_top_logo_b.png" alt ="ゆめ半島ちばビリヤードGPロゴ"></div>');
	document.close();
}

function blink() {
	if (!document.all) { return; }
	for (i = 0; i < document.all.length; i++) {
		obj = document.all(i);
		if (obj.className == "blink") {
			if (obj.style.visibility == "visible") {
				obj.style.visibility = "hidden";
			} else {
				obj.style.visibility = "visible";
			}
		}
	}
	setTimeout("blink()", 1000);
}