Amazonに、Open CalilとMediaMarkerとヨドバシ・ドット・コムのリンクを付ける

amazon_add_link.user.js

// ==UserScript==
// @name           Amazon Calil, MediaMarker and Yodobashi.com
// @namespace      http://gist.github.com/xxxxx
// @description    Add calil link, MediaMarker and Yodobashi.com link into Amazon book listing
// @include        http://*.amazon.*
// @grant          none
// ==/UserScript==

var DEBUG=true;
showLinksOnAmazon();
function showLinksOnAmazon() {
  var val = document.getElementById("ASIN").value;
    
  if (val != '') {
    var header = parent.document.getElementById('byline')

    if (header) {
    　var link_c = document.createElement('a');
      link_c.setAttribute('href', 'http://calil.jp/book/' + val);
      link_c.setAttribute('target', '_blank');
      link_c.innerHTML = '<span style=\"font-size:90%; background-color:#ffffcc;\">&raquo;Open Calil<br></span>';

	　var link_mm = document.createElement('a');
	　link_mm.setAttribute('href', 'http://mediamarker.net/u/masaakif/reg?cat=1&asin=' + val );
	　link_mm.setAttribute('title', 'Register to MediaMarker');
	　link_mm.setAttribute('target', '_blank');
	　link_mm.innerHTML = ' <span style=\"font-size:90%; background-color:#ebf2cc;\">&raquo;MediaMarker&#12395;&#30331;&#37682;</span><br>';

	　var link_yd = document.createElement('a');
	　link_yd.setAttribute('href', 'http://www.yodobashi.com/ec/category/index.html?cate=&word=' + val);
	　link_yd.setAttribute('title', 'Jump to Yodobashi.com');
	　link_yd.setAttribute('target', '_blank');
	　link_yd.innerHTML = ' <span style=\"font-size:90%; background-color:#bbc8e6;\">&raquo;&#x30E8;&#x30C9;&#x30D0;&#x30B7;&#x30FB;&#x30C9;&#x30C3;&#x30C8;&#x30FB;&#x30B3;&#x30E0;&#x306B;&#x4A;&#x75;&#x6D;&#x70;</span><br>';
      
      header.parentNode.insertBefore(link_c, header);
      header.parentNode.insertBefore(link_mm, header);
      header.parentNode.insertBefore(link_yd, header);
    }
  }
}

function debug() {
　if (typeof DEBUG != 'undefined' && DEBUG) {
  　console.log.apply(this, arguments);
  }
}