//chimg[連番]=["画像ファイル名","画像の説明"];
chimg=new Array();
chimg[0]=["/images/main/0001.jpg"];
chimg[1]=["/images/main/0002.jpg"];
chimg[2]=["/images/main/0003.jpg"];
chimg[3]=["/images/main/0004.jpg"];

//chimg[0]=["http://www.orenzze.com/common/images/img/0001.jpg","コメント"];

changesec=50;      //入れ替え時間(ミリ秒)
//-----------------------------------------
imgno=0;imgflag=0;showcheck=0;var timeid;
function changeimg(im){
	if(document.all){
		document.images["viewimg"].filters[0].Apply();
		document.images["viewimg"].src=chimg[im][0];
		document.images["viewimg"].filters[0].Play();
	}
	
	else{
		document.images["viewimg"].src=chimg[im][0];
	}
	//document.getElementById("img_comment").innerHTML=chimg[im][1];
	imgno=im;
}

function direction(di){
	if(di=='migi')
	imgflag=1;
	
	else if(di=='hidari')
	imgflag=2;
	
	if(!showcheck){
		clearTimeout(timeid);
		showcheck=1;
		showstart();
	}
}

function showstart(){
	if(!showcheck)return;
	
	if(imgflag==1){
		if(!document.showform.loopcheck.checked && imgno==(chimg.length-1)){
			showcheck=0;return
		}else{
			imgno++;
			imgno%=chimg.length;
		}
	}else{
		if(!document.showform.loopcheck.checked && imgno==0){
			showcheck=0;return
		}else{
			imgno--;if(imgno<0)imgno=chimg.length-1;
		}
	}

	if(document.all){
		document.images["viewimg"].filters[0].Apply();
		document.images["viewimg"].src=chimg[imgno][0];
		document.images["viewimg"].filters[0].Play();
	}else{
		document.images["viewimg"].src=chimg[imgno][0];
	}
	
	//document.getElementById("img_comment").innerHTML=chimg[imgno][1];
	timeid=setTimeout("showstart()",changesec);
}