<!doctype html>
<html lang="en-US">
  <head> </head>
  <body>
    <script language="JavaScript">
      <!--
      function loadIFrameScript() {
        try {
          var mediaServer = '';
          var globalTemplateVersion = '';
          var searchString = document.location.search.substr(1);
          var parameters = searchString.split('&');

          for (var i = 0; i < parameters.length; i++) {
            var keyValuePair = parameters[i].split('=');
            var parameterName = keyValuePair[0];
            var parameterValue = keyValuePair[1];

            if (parameterName == 'gtVersion')
              globalTemplateVersion = unescape(parameterValue);
            else if (parameterName == 'mediaserver')
              mediaServer = unescape(parameterValue);
          }

          generateScriptBlock(mediaServer, globalTemplateVersion);
        } catch (e) {}
      }

      function generateScriptBlock(mediaServerUrl, gtVersion) {
        if (!isValid(gtVersion)) {
          reportError();
          return;
        }

        var mediaServerParts = mediaServerUrl.split('/');
        var host = mediaServerParts[2];
        var hostParts = host.split('.');

        if (hostParts.length > 4 || hostParts.length < 3) {
          reportError();
          return;
        }

        var subdomainOne = hostParts[0];
        if (!isValid(subdomainOne)) {
          reportError();
          return;
        }

        var subdomainTwo = hostParts.length == 4 ? hostParts[1] : '';
        if (!isValid(subdomainTwo)) {
          reportError();
          return;
        }

        var subdomain =
          subdomainOne + (subdomainTwo == '' ? '' : '.' + subdomainTwo);

        var advertiserId = mediaServerParts[3];
        if (!isValid(advertiserId)) {
          reportError();
          return;
        }

        // Generate call to the script file on DoubleClick server.

        var publisherProtocol = window.location.protocol + '//';
        var iframeScriptFile =
          advertiserId + '/DARTIFrame_' + gtVersion + '.js';
        var urlStart = publisherProtocol + subdomain;
        document.write(
          '<scr' +
            'ipt src="' +
            urlStart +
            '.doubleclick.net/' +
            iframeScriptFile +
            '">',
        );
        document.write('</scr' + 'ipt>');
      }

      // Validation routine for parameters passed on the URL.
      // The parameter should contain only word characters including underscore (limited to '\w')
      // and should not exceed 15 characters in length.
      function isValid(stringValue) {
        var isValid = false;

        if (
          stringValue.length <= 15 &&
          stringValue.search(new RegExp('[^A-Za-z0-9_]')) == -1
        )
          isValid = true;

        return isValid;
      }

      //Report error to the DoubleClick ad server.
      function reportError() {
        var publisherProtocol = window.location.protocol + '//';
        document.write(
          ' <img src="' +
            publisherProtocol +
            'ad.doubleclick.net/activity;badserve=1" style="visibility:hidden" width=1 height=1>',
        );
      }

      loadIFrameScript();

      -->
    </script>
  </body>
</html>
