DocBook documentation stub added

[stg.git] / doc / help / xslt / slides / browser / ua.js

diff --git a/doc/help/xslt/slides/browser/ua.js b/doc/help/xslt/slides/browser/ua.js
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+/*
+ * ua.js
+ * $Revision: 1.2 $ $Date: 2003/02/07 16:04:17 $
+ */
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Netscape code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Bob Clary <bclary@netscape.com>
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+function xbDetectBrowser()
+{
+  var oldOnError = window.onerror;
+  var element = null;
+
+  window.onerror = null;
+  
+  // work around bug in xpcdom Mozilla 0.9.1
+  window.saveNavigator = window.navigator;
+
+  navigator.OS    = '';
+  navigator.version  = parseFloat(navigator.appVersion);
+  navigator.org    = '';
+  navigator.family  = '';
+
+  var platform;
+  if (typeof(window.navigator.platform) != 'undefined')
+  {
+    platform = window.navigator.platform.toLowerCase();
+    if (platform.indexOf('win') != -1)
+      navigator.OS = 'win';
+    else if (platform.indexOf('mac') != -1)
+      navigator.OS = 'mac';
+    else if (platform.indexOf('unix') != -1 || platform.indexOf('linux') != -1 || platform.indexOf('sun') != -1)
+      navigator.OS = 'nix';
+  }
+
+  var i = 0;
+  var ua = window.navigator.userAgent.toLowerCase();
+  
+  if (ua.indexOf('opera') != -1)
+  {
+    i = ua.indexOf('opera');
+    navigator.family  = 'opera';
+    navigator.org    = 'opera';
+    navigator.version  = parseFloat('0' + ua.substr(i+6), 10);
+  }
+  else if ((i = ua.indexOf('msie')) != -1)
+  {
+    navigator.org    = 'microsoft';
+    navigator.version  = parseFloat('0' + ua.substr(i+5), 10);
+    
+    if (navigator.version < 4)
+      navigator.family = 'ie3';
+    else
+      navigator.family = 'ie4'
+  }
+  else if (ua.indexOf('gecko') != -1)
+  {
+    navigator.family = 'gecko';
+    var rvStart = ua.indexOf('rv:');
+    var rvEnd   = ua.indexOf(')', rvStart);
+    var rv      = ua.substring(rvStart+3, rvEnd);
+    var rvParts = rv.split('.');
+    var rvValue = 0;
+    var exp     = 1;
+
+    for (var i = 0; i < rvParts.length; i++)
+    {
+      var val = parseInt(rvParts[i]);
+      rvValue += val / exp;
+      exp *= 100;
+    }
+    navigator.version = rvValue;
+
+    if (ua.indexOf('netscape') != -1)
+      navigator.org = 'netscape';
+    else if (ua.indexOf('compuserve') != -1)
+      navigator.org = 'compuserve';
+    else
+      navigator.org = 'mozilla';
+  }
+  else if ((ua.indexOf('mozilla') !=-1) && (ua.indexOf('spoofer')==-1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera')==-1)&& (ua.indexOf('webtv')==-1) && (ua.indexOf('hotjava')==-1))
+  {
+    var is_major = parseFloat(navigator.appVersion);
+    
+    if (is_major < 4)
+      navigator.version = is_major;
+    else
+    {
+      i = ua.lastIndexOf('/')
+      navigator.version = parseFloat('0' + ua.substr(i+1), 10);
+    }
+    navigator.org = 'netscape';
+    navigator.family = 'nn' + parseInt(navigator.appVersion);
+  }
+  else if ((i = ua.indexOf('aol')) != -1 )
+  {
+    // aol
+    navigator.family  = 'aol';
+    navigator.org    = 'aol';
+    navigator.version  = parseFloat('0' + ua.substr(i+4), 10);
+  }
+  else if ((i = ua.indexOf('hotjava')) != -1 )
+  {
+    // hotjava
+    navigator.family  = 'hotjava';
+    navigator.org    = 'sun';
+    navigator.version  = parseFloat(navigator.appVersion);
+  }
+
+  window.onerror = oldOnError;
+}
+
+xbDetectBrowser();
+