/*




*/

var links ={
  "A": [
         { "url": "http://www.kct.ne.jp/"		,"img": "/link/kct.gif"		,"alt": "倉敷ケーブルテレビ" }
        ,{ "url": "http://www2.kct.ne.jp/~nrmr/"	,"img": "/link/naramura.gif"	,"alt": "倉敷建築工房 楢村徹設計室" }
        ,{ "url": "http://www.kuramoku.com/"		,"img": "/link/kuramoku.gif"	,"alt": "倉敷木材株式会社" }
        ,{ "url": "http://www.nakamotoya.co.jp/"	,"img": "/link/nakamotoya.gif"	,"alt": "中元屋工務店" }
  ]
  ,"B": [
         { "url": "http://www.kurashiki.co.jp/iseya/"	,"img": "/link/iseya.gif"	,"alt": "伊勢屋" }
        ,{ "url": "http://www.makotoya.co.jp/"		,"img": "/link/makotoya.gif"	,"alt": "誠屋" }
        ,{ "url": "http://yoshii.pitin.com/"		,"img": "/link/yoshii.gif"	,"alt": "吉井旅館" }
        ,{ "url": "https://www.candleworld.co.jp/pegasus/","img": "/link/pegasus.gif"	,"alt": "ペガサスキャンドル" }
  ]
  ,"C": [
         { "url": "http://www.greenhouse-records.jp/"	,"img": "/link/green.gif"	,"alt": "GREEN HOUSE" }
        ,{ "url": ""					,"img": "/link/sakamoto.gif"	,"alt": "坂本工務店" }
        ,{ "url": "http://www.sbc-mes.co.jp/"		,"img": "/link/sanzou.gif"	,"alt": "株式会社三造ビジネスクリエイティブ" }
        ,{ "url": "http://www.fujiki.co.jp/"		,"img": "/link/fujiki.gif"	,"alt": "株式会社　藤木工務店倉敷支店" }
        ,{ "url": "http://www.tamashin.co.jp/"		,"img": "/link/tamashin.gif"	,"alt": "玉島信用金庫" }
  ]
  ,"D": [
         { "url": "http://www.tenmaya.co.jp/kurashiki/"	,"img":""			,"alt": "天満屋倉敷店" }
        ,{ "url": "http://www.fmkurashiki.com/"		,"img":""			,"alt": "FMくらしき" }
        ,{ "url": ""					,"img":""			,"alt": "平山電建" }
        ,{ "url": "http://www.cms-miyake.info/"		,"img":""			,"alt": "(有)シーエムエス" }
        ,{ "url": "http://www.everhall.co.jp/"		,"img":""			,"alt": "(株)いのうえ" }
        ,{ "url": "http://www.kasuke.co.jp/"		,"img":""			,"alt": "カスケホーム" }
  ]
}

function ad_link(id,class){

  var to=document.getElementById(id);
  var ad=links[class][Math.floor(Math.random()*links[class].length)];
  to.appendChild(get_element(ad));

}

function get_element(ad){

  if(ad.url==""){ // URLなし
    if(ad.img==""){
      return document.createTextNode(ad.alt);

    }else{
      var img=document.createElement('img');
      img.src=ad.img;
      img.alt=ad.alt;
      img.style.border=0;
      return img;

    }
  }else{ // URLあり
    if(ad.img==""){
      var e=document.createElement('a');
      e.href=ad.url;
      e.appendChild(document.createTextNode(ad.alt));
      return e;

    }else{
      var img=document.createElement('img');
      img.src=ad.img;
      img.alt=ad.alt;
      img.style.border=0;

      var e=document.createElement('a');
      e.href=ad.url;
      e.appendChild(img);
      return e;

    }
  }
}