function random_banner() {
banner = new Array();
banner[0]="/img/head_bana01.jpg";
banner[1]="/img/head_bana02.jpg";
message = new Array();
message[0]="プロの力で輝くあなたへ　ブラダルエステ";
message[1]="女の脱毛スペシャル特集";
link = new Array();
link[0] = "http://www.esthetique.jp/bridalestheguide/";
link[1] = "http://www.esthetique.jp/epilation/";
rand = Math.floor(Math.random()*banner.length);
document.write("<p><a target='_blank' href="+link[rand]+"><img alt="+message[rand]+" src="+banner[rand]+" style='border-style:none'></a></p>");
}