var init=0;
var cur=0;
var tid;

// 配列の4つ目にWindow設定を格納

var bn = new Array();


bn[0] = new Array('http://www.jr-tabi.com/tyo/','images/jr-tyo-present.gif','TYO Clubオープン記念！','_blank');
bn[1] = new Array('./campaign/','images/ban_hamakaido.jpg','うつくしま　浜街道','_self');
bn[2] = new Array('./ecotetsu-2011spr/','images/ban_ecott.jpg','東北ローカル線パス','_self');
bn[3] = new Array('http://www.jreast.co.jp/e5/top.html','images/banner_e5.jpg','E5','_blank');
bn[4] = new Array('http://www.jreast.co.jp/myfirstaomori/','images/ban_mfa.jpg','HY FIRST AOMORI','_blank');
bn[5] = new Array('./netdetyo/index.html','images/ban_netdetyo.jpg','ネットde TYO','_self');
bn[6] = new Array('./minori/','images/ban_minori.jpg','リゾートみのり','_self');
bn[7] = new Array('./station/','images/ban_sendai_st.jpg','仙台駅','_blank');
bn[8] = new Array('./tabiichi/index.html','images/ban_tabiichi.jpg', '旅市','_self');
bn[9] = new Array('http://jreast.eki-net.com/tokudane/','images/ban_tikudane.jpg','トクだ値','_blank');
bn[10] = new Array('http://www.jreast.co.jp/otona/','images/ban_otona.jpg','大人の休日倶楽部','_blank');
bn[11] = new Array('http://www.jreast.co.jp/mobilesuica/use/super-mobatoku/index.html','images/ban_smt.jpg','スーパーモバトク','_blank');


var test=0;

tid = setInterval("selectImage(3)",5000);

function selectImage(flg){
	clearInterval(tid); 
	if(flg == 1){
		if(cur == 0){
			cur = bn.length-1;
		} else {
			cur--;
		}
		document.getElementById("main_ban_btn1").innerHTML = '<a href="JavaScript:;" onClick="JavaScript:selectImage(1);"><img src="images/new_banner_btn1_on.gif"></a>';
		document.getElementById("main_ban_btn2").innerHTML = '<a href="JavaScript:;" onClick="JavaScript:selectImage(2);"><img src="images/new_banner_btn2.gif"></a>';
	} else {
		if(cur < bn.length-1){
			cur++;
		} else {
			cur=0;
		}
		document.getElementById("main_ban_btn1").innerHTML = '<a href="JavaScript:;" onClick="JavaScript:selectImage(1);"><img src="images/new_banner_btn1.gif"></a>';
		document.getElementById("main_ban_btn2").innerHTML = '<a href="JavaScript:;" onClick="JavaScript:selectImage(2);"><img src="images/new_banner_btn2_on.gif"></a>';
	}

// target="_blank"という指定を、配列からデータを受け取るように変更
	document.getElementById("main_ban_banner").innerHTML = '<a href="'+bn[cur][0]+'" target="'+bn[cur][3]+'"><img src="'+bn[cur][1]+'" alt="'+bn[cur][2]+'"></a>';
	cnt = cur+1;
	document.getElementById("main_ban_cnt").innerHTML = cnt+' / '+bn.length;
	tid = setInterval("selectImage(3)",5000);
	return;
}

function selectImageDirect(no){
	document.getElementById("main_ban_btn1").innerHTML = '<a href="JavaScript:;" onClick="JavaScript:selectImage(1);"><img src="images/new_banner_btn1.gif"></a>';
	document.getElementById("main_ban_btn2").innerHTML = '<a href="JavaScript:;" onClick="JavaScript:selectImage(2);"><img src="images/new_banner_btn2.gif"></a>';
// target="_blank"という指定を、配列からデータを受け取るように変更
	document.getElementById("main_ban_banner").innerHTML = '<a href="'+bn[no][0]+'" target="'+bn[cur][3]+'"><img src="'+bn[no][1]+'" alt="'+bn[no][2]+'"></a>';
	cnt = cur+1;
	document.getElementById("main_ban_cnt").innerHTML = cnt+' / '+bn.length;
	return;
}

function unlock_selectImage(){
	lock = 0;
	return;
}