function ad_rote()
{
  var view_num;
  var max_count = 12;
  var image_array = new Array(max_count);
  var url_array = new Array(max_count)
  var alt_array = new Array(max_count)
  var random_num;
  var check_num = 1.0/max_count;

image_array[0] = "ad/yongx.bmp";
url_array[0]   = "http://www.500film.com/yongx.aspx";
alt_array[0]   = "";
image_array[1] = "ad/2.gif";
url_array[1]   = "https://www.oisix.com";
alt_array[1]   = "";
image_array[2] = "ad/3.gif";
url_array[2]   = "http://www.cecile.co.jp";
alt_array[2]   = "";
image_array[3] = "ad/4.gif";
url_array[3]   = "http://gaba.co.jp/excite/cp2_ss_form.html";
alt_array[3]   = "";
image_array[4] = "ad/5.gif";
url_array[4]   = "http://www.chintai.net/womanexcite/";
alt_array[4]   = "";
image_array[5] = "ad/cashone.gif";
url_array[5]   = "http://www.cashone.co.jp/0580032/etc/index.html";
alt_array[5]   = "";
image_array[6] = "ad/beijjing2008.bmp";
url_array[6]   = "http://www.2008beijing.cn/";
alt_array[6]   = "";
image_array[7] = "ad/1.gif";
url_array[7]   = "http://www.ana.co.jp";
alt_array[7]   = "";
image_array[8] = "ad/hikari.bmp";
url_array[8]   = "http://www.hikari-one.com/";
alt_array[8]   = "";
image_array[9] = "ad/090408_lisa090407a.jpg";
url_array[9]   = "http://beautynavi.woman.excite.co.jp/pa/recommend/amuse/?excite1";
alt_array[9]   = "";
image_array[10] = "ad/bnmodel468b.gif";
url_array[10]   = "http://beautynavi.woman.excite.co.jp/";
alt_array[10]   = "";
image_array[11] = "ad/Tbs.bmp";
url_array[11]   = "http://www.tbs.co.jp/kanryou09/";
alt_array[11]   = "";





  random_num = Math.random() ;
  view_num = Math.floor(random_num/check_num);

  document.write("<p><a href=countsAd.asp?a=" + url_array[view_num] + "&b="+image_array[view_num] + "&c="+ document.URL + " target='_blank'>");
  document.write("<img src=\"" + image_array[view_num] + "\" alt=\"" + alt_array[view_num] + "\" /></a></p>");

}