function addOnLoadEvent(func) {
  if (window.addEventListener) {
    window.addEventListener("load", func, false);
  } else if (window.attachEvent) {  // for IE
    window.attachEvent("onload", func);
  } else  {
    window.onload = func;
  }
}

function insertLinkToTopPage() {
  var elements = document.getElementsByTagName("h1");
  if (elements.length == 0) {
    return;
  }
  var h1 = elements[0];
  var img = document.createElement("img");
  img.src = "/yanbe.png";
  img.style.verticalAlign = "middle";
  img.style.paddingRight = "6px";
  var link = document.createElement("a");
  link.href = "http://yanbe.org/";
  link.appendChild(img);
  h1.insertBefore(link, h1.firstChild);
}
addOnLoadEvent(insertLinkToTopPage);

// Google Analytics
document.open();
document.write('<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script>');
document.close();
function initUrchin() {
  _uacct = "UA-423688-9";
  urchinTracker();
}
addOnLoadEvent(initUrchin);

// Hatena Bookmark Comment
document.open();
document.write('<script src="http://b.hatena.ne.jp/js/BookmarkCommentViewerAllInOne.1.2.js" type="text/javascript"></script>');
document.close();