var show_google_ad_conditionally_call_count = 0

function show_google_ad_conditionally() {
  show_google_ad_conditionally_call_count++

  if(show_google_ad_conditionally_call_count == 4 || 
    show_google_ad_conditionally_call_count == 14) {

    google_ad_client = "pub-0490979434562042";
    google_ad_width = 468;
    google_ad_height = 60;
    google_ad_format = "468x60_as";
    google_ad_type = "text_image";
    google_ad_channel = "";
    google_color_border = "339966";
    google_color_bg = "FFFFFF";
    google_color_link = "0000FF";
    google_color_text = "000000";
    google_color_url = "008000";

    document.write('<script type="text/javascript" ' +
      'src="http://pagead2.googlesyndication.com/pagead/show_ads.js">' +
      '</script>' + "\n<br />\n<br />\n")
  } 
}