var images = {
        // 画像とジャンプ先の URL のペア
        url : [
          ['http://www.webbeachclub.com/image/shop/x9usedpop.jpg', 'http://www.webbeachclub.com/shop/index.php?main_page=advanced_search_result&search_in_description=1&keyword=x9+boom+used'],
          ['http://www.webbeachclub.com/image/shop/vonpop.gif', 'http://www.webbeachclub.com/shop/index.php?manufacturers_id=84&main_page=index'],
		  ['http://www.webbeachclub.com/image/shop/bhsale.gif', 'http://www.webbeachclub.com/shop/index.php?manufacturers_id=15&main_page=index'],
		  ['http://www.webbeachclub.com/image/shop/outletpop.gif', 'http://www.webbeachclub.com/shop/index.php?main_page=index&cPath=76_38'],
          ['http://www.webbeachclub.com/image/shop/usedmast.jpg', 'http://www.webbeachclub.com/shop/index.php?main_page=advanced_search_result&search_in_description=1&keyword=used+mast'],
		  ['http://www.webbeachclub.com/image/shop/npmastboompop.gif', 'http://www.webbeachclub.com/shop/index.php?main_page=advanced_search_result&search_in_description=1&keyword=%BA%DF%B8%CB%BD%E8%CA%AC'],
		  ['http://www.webbeachclub.com/image/shop/09model50off.jpg', 'http://www.webbeachclub.com/shop/index.php?main_page=advanced_search_result&search_in_description=1&keyword=09+new+sail'],
		            ['http://www.webbeachclub.com/image/shop/np10sailsale.jpg', 'http://www.webbeachclub.com/shop/index.php?main_page=advanced_search_result&search_in_description=1&keyword=10+new+sail+neil+pryde'],
          ['http://www.webbeachclub.com/image/shop/sparepop.gif', 'http://www.webbeachclub.com/shop/index.php?main_page=index&cPath=81']
          ],

        // 順番のシャッフル
        shuffle : function() {
          for (i = this.url.length; i > 0; --i) {
            tmp = this.url[p = Math.floor(Math.random()*i)] ;
            this.url[p] = this.url[i-1] ;
            this.url[i-1] = tmp ;
          }
        },

        p : 0, // 表示画像のポインタ

        // 画像表示
        put : function() {
          if (this.p >= this.url.length) this.p = 0 ;
          return '<a href="'+this.url[this.p][1]+'"><img src="'+this.url[this.p++][0]+'" /></a>' ;
        }
      } ;

      onload = function() {
        images.shuffle() ;
        divs = document.getElementsByTagName('div') ;
        for (i = 0; i < divs.length; ++i) {
          if (divs[i].className != 'popbanner') continue ; // class が「popbanner」ではない div はスルー
          divs[i].innerHTML += images.put() ;
        }
      }