num = 0;
jumpURL = new Array();
jumpURL[0] = "http://www.jabank.jp/ib/jatop.asp?JACD=5077000";
jumpURL[1] = "http://e-service.ja-kyosai.or.jp/index.cfm";
jumpURL[2] = "/campaign/mycar.html";
jumpURL[3] = "/campaign/smile.html";

function changeImg()
{
		num++;
		num %= 4;
		document.banner.src = "pr/" + num + ".gif";
		setTimeout("changeImg()",5000);
}
function jump()
{
		location.href = jumpURL[num];
}