function main(){
	x =nightImg()
	a="../img/special/normal-01.gif"
	b="../img/special/normal-02.gif"
	c="../img/special/normal-03.gif"

	if (x==1){
		a="../img/special/secret-n01.gif"
		b="../img/special/secret-n02.gif"
		c="../img/special/secret-n03.gif"
		x2 = randamu();
		if (x2 == 1){
			b="../img/special/secret-u02.gif"
		}

	}else{
		x2 = randamu();
		if (x2 == 1){
			a="../img/special/secret-b01.gif"
		}

	}

	setHtml(a,b,c)
}


function randamu(){
	ImageCount = 10;		//　画像の最大枚数
	xx = Math.floor(Math.random() * ImageCount);
	return(xx);
}

//夜用画像の表示
function nightImg(){
	myDate = new Date();
	myHours = myDate.getHours();
	if ((myHours > 18)||(myHours < 6)) {
		//alert("夜");
		return (1);
	} else {
		//alert("昼");
		return(0);
	}
}

//HTMLのセット
function setHtml(a,b,c){
	document.write("<td ><img src=\"" + a + "\" width=\"232\" height=\"53\"></td>");
	document.write("<td ><img src=\"" + b + "\" width=\"173\" height=\"53\"></td>");
	document.write("<td ><img src=\"" + c + "\" width=\"215\" height=\"53\"></td>");
}