var opa180 = 0; 		//透明度（0は透明）
var opa180cnt = 20;	//透明度の増減の間隔
var timer180 = 100;	//setTimeout関数の実行間隔（ミリ秒）
var img_parm180 = "slide01";
var slide_img180 = document.getElementById(img_parm180);

//フェードイン
function fade180(){
	//div
//	var div_container01 = document.getElementById("div_container01");
//	div_container01.style.backgroundImage = "url(img/180/180180bk.png)";
//	div_container01.style.backgroundRepeat = "no-repeat"; 
	//フェードイン
	change_image180();
	setTimeout("fade180in1(img_parm180, opa180)", 200);
};

//透明度を増加

function fade180in1(img_parm180, opa180){
	var slide_img180 = document.getElementById(img_parm180);
	slide_img180.style.visibility = "";
	if (opa180 <= 100){
		slide_img180.style.filter = "alpha(opacity:" + opa180 + ")";	//IE
		slide_img180.style.opacity = opa180/100;	//Firefox
		opa180 += opa180cnt;
		setTimeout("fade180in1('" + img_parm180 + "'," + opa180 + ")", timer180);
	};
};

//画像クリックで画像スライド
var num180 = 64;	//入れ替える画像の枚数(最初の画像も含める)
var exp_jpg180 = "jpg";
var exp_gif180 = "gif";
var cnt180 = 0;

function change_image180(){
	var slide_img180 = document.getElementById(img_parm180);
	slide_img180.style.visibility = "hidden";
	cnt180++;
	cnt180 %= num180;
	slide_img180.src = "http://haikei.org/img/180/bl" + cnt180 + "." + exp_jpg180;
};