www.pudn.com > Treeview.zip > ua.js, change:2004-02-27,size:4277b


/* 
 * $Log: ua.js,v $ 
 * Revision 1.9  2002/07/22 14:06:21  bc6ix 
 * fix license path, change version reporting to use 2 digits for each level 
 * 
 * Revision 1.8  2002/07/07 08:23:07  bc6ix 
 * fix line endings 
 * 
 * Revision 1.7  2002/05/14 16:52:52  bc6ix 
 * use CVS Log for revision history 
 * 
 * 
 */ 
 
/* ***** BEGIN LICENSE BLOCK ***** 
 * Licensed under Version: MPL 1.1/GPL 2.0/LGPL 2.1 
 * Full Terms at http://bclary.com/lib/js/license/mpl-tri-license.txt 
 * 
 * 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('safari') != -1) 
  { 
    i = ua.indexOf('safari'); 
    navigator.family = 'safari'; 
    navigator.org = 'safari'; 
    navigator.version = parseFloat('0' + ua.substr(i+7), 10); 
  } 
  else 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();