$(document).ready(function(){
  // 外部リンク別ウィンドウ化
  var selector = "a[href^=http]"
               + ":not([href^=http://"  + document.domain + "])"
               + ":not([href^=https://" + document.domain + "])";
  $(selector).click(function(){
    window.open(this.href, "_zexyblog_exlink").focus();
    return false;
  });

  // 画像リサイズ
  var max_width = 450;
  var selector  = '.articleBody img';
  $(selector).each(function(){
    var width  = $(this).width();
    var height = $(this).height();
      if (width > max_width) {
        var ratio = (height / width);
        var new_width  = max_width;
        var new_height = (new_width * ratio);
        $(this).height(new_height).width(new_width);
      }
  });
});