text: $(document).ready(function() {
      switch_theme_others();
      var pos = $("#blog_content").offset().top;
      $("html,body").animate({scrollTop: pos}, 1000);
  });
  function switch_theme_others() {
      if(localStorage.blog_theme=="dark"){
          var md=document.getElementById("md-container");
          if(md!=null){
              md.className="editormd-preview editormd-preview-theme-dark";
          }
          var btn=document.getElementById("day-night");
          var themeFont=document.getElementById("day-night-name");
          btn.className="fa fa-sun-o";
          themeFont.textContent="DAY";
      }
  }
  function day_night() {
      var btn=document.getElementById("day-night");
      var md=document.getElementById("md-container");
      var themeFont=document.getElementById("day-night-name");
      var css=document.getElementById("theme-css");
      if (btn.className=="fa fa-sun-o"){
          btn.className="fa fa-moon-o";
          themeFont.textContent="NIGHT";
          css.href="/css/landing-page.css";
          if(md!=null){
              md.className="editormd-preview";
          }
          localStorage.blog_theme="light";
      }else {
          btn.className="fa fa-sun-o";
          themeFont.textContent="DAY";
          css.href="/css/landing-page-dark.css";
          if(md!=null){
              md.className="editormd-preview editormd-preview-theme-dark";
          }
          localStorage.blog_theme="dark";
      }
  }