ldr_history_back

// ==UserScript==
// @name          LDR Back to Original Page
// @description   フィードの登録後に元のページに戻る
// @include       http://reader.livedoor.com/subscribe/*
// ==/UserScript==

(function() {
  document.getElementById('history_back').style.display = "inline";
  document.getElementById('label_history_back').style.display = "inline";

  document.getElementById('history_back').checked = true;

  function evalInPage(fun) {
    location.href = "javascript:void (" + fun + ")()";
  }

  evalInPage(function() {
    history_back = function() {
      var url = ReaderSubscribe.get_target_url();
      if (url) {
        location.href = url;
      }
    }
  });

})();