//バナー
banner[1] = '<a href="/biz/event_seminar/index.html"><img src="banner/01.jpg" border="0"></a>';
banner[2] = '<a href="/apli/keihi/"><img src="banner/02.jpg" border="0"></a>';
banner[3] = '<a href="/biz/bizpartner/index.html"><img src="banner/03.jpg" border="0"></a>';
banner[4] = '<a href="/solution/service/portal.html"><img src="banner/04.jpg" border="0"></a>';

function bannerStart() {
	document.getElementById('banner00').innerHTML = banner[1];
}

timerID = 0;
count = 1;

function banner(){
	count %= 4;//画像の枚数
	count ++;
	document.getElementById('banner00').innerHTML = banner[count];
}