//------------------------
//	changeImage
//------------------------
//時間ごとに画像を変化させる
//サンプルは4画像を10秒づつきりかえ
//画像数を増やす場合は、else if文を追加し、imgnumの整合性をとる
//イベントは通常bodyタグ中のonload時に実行させる。

imgnum=1;
function changeImage(){
    if(imgnum==1){
        document.picture.src="images/pic1.jpg";
        imgnum=2;
    }else if(imgnum==2){
        document.picture.src="images/pic2.jpg";
        imgnum=3;
    }else if(imgnum==3){
        document.picture.src="images/pic3.jpg";
        imgnum=4;
    }else if(imgnum==4){
        document.picture.src="images/pic4.jpg";
        imgnum=1;
    }
    setTimeout("changeImage()",10000);
}



//------------------------
//	change4Images
//------------------------
//時間ごとに画像を変化させる
//4つの画像を4箇所で切り替え
//イベントは通常bodyタグ中のonload時に実行させる。

imgnum=1;
img1 = "images/ver_02.jpg";
img2 = "images/ver_03.jpg";
img3 = "images/ver_04.jpg";
img4 = "images/ver_05.jpg";

function change4Images(){
    if(imgnum==1){
        document.picture1.src=img1;
        document.picture2.src=img2;
        document.picture3.src=img3;
        document.picture4.src=img4;
       imgnum=2;
    }else if(imgnum==2){
        document.picture1.src=img4;
        document.picture2.src=img1;
        document.picture3.src=img2;
        document.picture4.src=img3;
        imgnum=3;
    }else if(imgnum==3){
        document.picture1.src=img3;
        document.picture2.src=img4;
        document.picture3.src=img1;
        document.picture4.src=img2;
        imgnum=4;
    }else if(imgnum==4){
        document.picture1.src=img2;
        document.picture2.src=img3;
        document.picture3.src=img4;
        document.picture4.src=img1;
        imgnum=1;
    }
    setTimeout("change4Images()",5000);
}

//
// imageきりかえ1(vermeer)
//
img0 = new Image(); img0.src = "images/1_1.jpg";
img1 = new Image(); img1.src = "images/1_2.jpg";
img2 = new Image(); img2.src = "images/1_3.jpg";
function change1() {
	clearTimeout(timerID1);
	if (document.anime1.src == img0.src)
		document.anime1.src = img1.src;
	else if (document.anime1.src == img1.src)
		document.anime1.src = img2.src;
	else 
		document.anime1.src = img0.src;
	timerID1 = setTimeout("change1()",5000);
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

//
// imageきりかえ2(vermeer)
//
img3 = new Image(); img3.src = "images/2_1.jpg";
img4 = new Image(); img4.src = "images/2_2.jpg";
img5 = new Image(); img5.src = "images/2_3.jpg";
function change2() {
	clearTimeout(timerID2);
	if (document.anime2.src == img3.src)
		document.anime2.src = img4.src;
	else if (document.anime2.src == img4.src)
		document.anime2.src = img5.src;
	else 
		document.anime2.src = img3.src;
	timerID2 = setTimeout("change2()",5000);
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

//
// imageきりかえ3(vermeer)
//
img6 = new Image(); img6.src = "images/3_1.jpg";
img7 = new Image(); img7.src = "images/3_2.jpg";
img8 = new Image(); img8.src = "images/3_3.jpg";
function change3() {
	clearTimeout(timerID3);
	if (document.anime3.src == img6.src)
		document.anime3.src = img7.src;
	else if (document.anime3.src == img7.src)
		document.anime3.src = img8.src;
	else 
		document.anime3.src = img6.src;
	timerID3 = setTimeout("change3()",5000);
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

//
// imageきりかえ4(vermeer)
//
img9 = new Image(); img9.src = "images/4_1.jpg";
img10 = new Image(); img10.src = "images/4_2.jpg";
img11 = new Image(); img11.src = "images/4_3.jpg";
function change4() {
	clearTimeout(timerID4);
	if (document.anime4.src == img9.src)
		document.anime4.src = img10.src;
	else if (document.anime4.src == img10.src)
		document.anime4.src = img11.src;
	else 
		document.anime4.src = img9.src;
	timerID4 = setTimeout("change4()",5000);
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}