ban1= new Array(
"http://www.if-n.ne.jp/onlineshop/netsea/'><IMG src='http://www.if-n.ne.jp/img/banner/netsea_banner.gif' alt='NTESEA' width='468' height='60'",
"http://www.officemeister.com/' target='blank'><IMG src='http://www.if-n.ne.jp/img/banner/bn_officemeister.gif' alt='officemeister' width='468' height='60'",
"http://cplus.if-n.biz/' target='blank'><IMG src='http://www.if-n.ne.jp/img/bn/comu_big.gif' alt='コミュプラス' width='468' height='60'",
"http://www.e-kouen.tv/' target='blank'><IMG src='http://www.if-n.ne.jp/img/bn/e-kouen.gif' alt='e-講演' width='468' height='60'",
"http://www.if-n.ne.jp/service/n-3.html' target='blank'><IMG src='http://www.if-n.ne.jp/img/bn/bn_SoftEtherCA.jpg' alt='L2Connect' width='468' height='60'",
"http://www.bizloop.jp/' target='blank'><IMG src='http://www.if-n.ne.jp/img/bn/biz_seach2.gif' alt='Bizloopサーチ' width='468' height='60'",
"http://www.bizloop-match.jp/' target='blank'><IMG src='http://www.if-n.ne.jp/img/bn/bizloopmatch-l.gif' alt='Bizloopマッチング' width='468' height='60'");

function ban0(){
{
a=Math.floor(Math.random()*ban1.length);
result=ban1[a]
}
return result;
}

function ranban(){
document.write("<A href='" + ban0() + " border='0'><" + "/A>")
}