// Top Main Visual

var keep, xval;

//var lnk = new Array('/');				//<a>の遷移先(http:〜でもOK)
var img = new Array(					//参照する画像(http:〜でもOK)
	'/images/ph_top_yokemura1.png',
	'/images/ph_top_illya1.png',
	'/images/ph_top_amaki1.png',
	'/images/ph_top_inukai1.png',
	'/images/ph_top_fabiano1.png',
	'/images/ph_top_okabe1.png',
	'/images/ph_top_yokemura2.png',
	'/images/ph_top_illya2.png',
	'/images/ph_top_amaki2.png',
	'/images/ph_top_inukai2.png',
	'/images/ph_top_fabiano2.png',
	'/images/ph_top_okabe2.png',
	'/images/ph_top_yokemura3.png',
	'/images/ph_top_illya3.png',
	'/images/ph_top_amaki3.png',
	'/images/ph_top_inukai3.png',
	'/images/ph_top_fabiano3.png',
	'/images/ph_top_okabe3.png');		//最後の「,」はトル

//var alt = new Array('','','','');		//Alt
var maxlink = img.length;

function InitCookie(){					//Cookieの読み出し
	val = new Array();
	val = document.cookie.split("; ");
	valbase = "photo=";					//Cookieの変数名
	len = valbase.length;
	keep = 0;
	for(i = 0; val[i]; i++){
		if(val[i].substr(0,len) == valbase){
			keep = 1*val[i].substr(len,val[i].length);
			break;
		}
	}

	//読み出し値の修正
	if(!keep)keep = 0;
	xval = keep;
	keep = (keep+1)%maxlink;

	exp = new Date();							//Cookieの書込処理
	exp.setTime(exp.getTime()+24*3600*1000*7);	//Cookieは1週間有効
//  expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
//	document.cookie = valbase + keep + "; expires=" + exp.toGMTString();
//	expires = '; expires=' + date.toUTCString();
	document.cookie = valbase + keep + '; expires=' + exp.toGMTString();	// for IE+
}