// 画像・URLリストを配列で作る
   var imglist = [
      [ "img/gallery1.jpg", "身の丈実用「山之脇の家。」", "gallery1.html" ] ,
      [ "img/gallery2.jpg", "身の丈実用「芹の家。」", "gallery2.html" ] ,
      [ "img/gallery3.jpg", "身の丈実用「玄の家。」", "gallery3.html" ] ,
      [ "img/gallery4.jpg", "身の丈実用「今在家の家。」", "gallery4.html" ] ,
      [ "img/gallery5.jpg", "身の丈実用「子育つ家。」", "gallery5.html" ] ,
      [ "img/gallery6.jpg", "身の丈実用「親孝行の家。」", "gallery6.html" ] ,
      [ "img/gallery7.jpg", "身の丈実用「SAM-houseの家。」", "gallery7.html" ] ,
      [ "img/gallery8.jpg", "身の丈実用「つむぐ家。」", "gallery8.html" ] ,
      [ "img/gallery9.jpg", "身の丈実用「育て!!楓夏の家。」", "gallery9.html" ] ,
      [ "img/gallery10.jpg", "身の丈実用「Seiyan-House」", "gallery10.html" ] ,
	  [ "img/gallery11.jpg", "身の丈実用「Syu-kun育つ家」", "gallery11.html" ] ,
      [ "img/gallery13.jpg", "身の丈実用「Traditional M-Style」", "gallery13.html" ] ,
      [ "img/gallery14.jpg", "身の丈実用「Naturally Y-house」", "gallery14.html" ] ,
      [ "img/gallery15.jpg", "身の丈実用「伸吾と晴香の家。」", "gallery15.html" ] ,
      [ "img/gallery16.jpg", "身の丈実用「Stylish-C」", "gallery16.html" ] ,
      [ "img/gallery17.jpg", "身の丈実用「HANA WAGAYA」", "gallery17.html" ] ,
      [ "img/gallery18.jpg", "身の丈実用「棟梁の家。」", "gallery18.html" ] ,
      [ "img/gallery19.jpg", "身の丈実用「kokochi家。」", "gallery19.html" ] ,
      [ "img/gallery20.jpg", "身の丈実用「細江の家。」", "gallery20.html" ] ,
      [ "img/gallery21.jpg", "身の丈実用の家。「O-HOUSE」", "gallery21.html" ] ,
      [ "img/gallery22.jpg", "身の丈実用「おいでぇ家」", "gallery22.html" ] ,
      [ "img/gallery23.jpg", "身の丈実用の家。「謝HOUSE」", "gallery23.html" ] ,
      [ "img/gallery24.jpg", "身の丈実用「アリサとナナが育つ家。」", "gallery24.html" ] ,
      [ "img/gallery25.jpg", "身の丈実用の家。「SHIRO NATURAL T-HOUSE」", "gallery25.html" ] ,
      [ "img/gallery26.jpg", "身の丈実用「YAMAZAKI FAMILIA」", "gallery26.html" ] ,
      [ "img/gallery27.jpg", "身の丈実用「ハミングするおおたさんち」", "gallery27.html" ]//注
   ];

   // ランダムに1つ選んで表示する関数
   function RandomImageLink() {
      // どれか１つ選ぶ
      var selectnum = Math.floor(Math.random() * imglist.length);
      // 画像とリンクを生成
      var output =
         '<a href="' + imglist[selectnum][2] + '">' +
         '<img src="' + imglist[selectnum][0] + '"' +
         ' alt="' + imglist[selectnum][1] + '">' +
		 '</a>';
      // 生成したHTMLを出力
      document.write(output);
   }