function google_adsense200() {
  google_ad_client = "pub-6230372559962078";
  google_ad_slot = "4872591103";
  google_ad_width = 200;
  google_ad_height = 200;
  var strUA = "";
  strUA = navigator.userAgent.toLowerCase();

  if(strUA.indexOf("safari") != -1){
    document.write('<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>');
  } else {
    var scrptE = document.createElement("script");
    scrptE.setAttribute("type", "text/javascript");
    scrptE.setAttribute("language", "JavaScript");
    scrptE.setAttribute("src", "http://pagead2.googlesyndication.com/pagead/show_ads.js");
    document.getElementsByTagName("head")[0].appendChild(scrptE);
  }
}