// JScript File

/**
    * Determines version of the Acrobat Reader plugin for FireFox and Netscape
    * @returns the major version of the plugin and returns null if PDF is not supported
    **/
    function OtherPDFVersion() {
      var version = null;
      var plugin = navigator.plugins["Adobe Acrobat"];
      if (plugin == null) return null;
      if (plugin.description == "Adobe PDF Plug-In For Firefox and Netscape") {
        version = '8.0';
      } else {
        version = plugin.description.split('Version ')[1] + '.0';
      }
      return version;
    }

    /**
    * Determines version of the Acrobat Reader plugin for InternetExplorer
    * @returns the major version of the plugin and returns null if PDF is not supported
    **/
    function IEPDFVersion() {
      var version = null;
      if (hasActiveXObject('AcroPDF.PDF.1')) {
        version = '7.0';
      } 
      if (hasActiveXObject('PDF.PdfCtrl.1')) {
        version = '4.0';
      } 
      for (var i=2; i<10; i++) {
        if (hasActiveXObject('PDF.PdfCtrl.' + i)) {
          version = i + '.0';
        }
      }
      return version;
    }

    /**
    * Helper method to determine if IE contains an ActiveXObject with a given name
    * @param name - the name of an ActiveXObject
    * @returns true if the browser contains the ActiveXObject
    **/
    function hasActiveXObject(name) {
      var has = false;
      try {
        activeXObject = new ActiveXObject(name);
        if (activeXObject != null) {
          has = true;
        }
      } catch (e) {
        has = false;
      }
      return has;
    }