function show_banner() {
    
        document.write("<script type=\"text/javascript\"><!--\n");
        document.write("google_ad_client = \"pub-6879849083984493\";\n");
        document.write("/* HOC UA spodny 468x60 */\n");
        document.write("google_ad_slot = \"4554202272\";\n");
        document.write("google_ad_width = 468;\n");
        document.write("google_ad_height = 60;\n");
        document.write("//-->\n");
        document.write("</script>\n");
        document.write("<script type=\"text/javascript\"\n");
        document.write("src=\"http://pagead2.googlesyndication.com/pagead/show_ads.js\">\n");
        document.write("</script>\n");
      }
      
      show_banner();