1		// ua.js - Detect Browser
			2
			3		// Requires JavaScript 1.1
			4
			5		/*
			6
			7		The contents of this file are subject to the Netscape Public
			8
			9		License Version 1.1 (the "License"); you may not use this file
			10
			11		except in compliance with the License. You may obtain a copy of
			12
			13		the License at http://www.mozilla.org/NPL/
			14
			15
			16
			17		Software distributed under the License is distributed on an "AS
			18
			19		IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
			20
			21		implied. See the License for the specific language governing
			22
			23		rights and limitations under the License.
			24
			25
			26
			27		The Initial Developer of the Original Code is Bob Clary.
			28
			29
			30
			31		Contributor(s): Bob Clary, Original Work, Copyright 1999-2000
			32
			33		Bob Clary, Netscape Communications, Copyright 2001
			34
			35
			36
			37		Alternatively, the contents of this file may be used under the
			38
			39		terms of the GNU Public License (the "GPL"), in which case the
			40
			41		provisions of the GPL are applicable instead of those above.
			42
			43		If you wish to allow use of your version of this file only
			44
			45		under the terms of the GPL and not to allow others to use your
			46
			47		version of this file under the NPL, indicate your decision by
			48
			49		deleting the provisions above and replace them with the notice
			50
			51		and other provisions required by the GPL.  If you do not delete
			52
			53		the provisions above, a recipient may use your version of this
			54
			55		file under either the NPL or the GPL.
			56
			57		*/
			58
			59
			60
			61		// work around bug in xpcdom Mozilla 0.9.1
			62
			63		window.saveNavigator = window.navigator;
			64
			65
			66
			67		// Handy functions
			68
			69		function noop() {}
			70
			71		function noerror() { return true; }
			72
			73
			74
			75		function defaultOnError(msg, url, line)
			76
			77		{
			78
			79		// customize this for your site
			80
			81		if (top.location.href.indexOf('_files/errors/') == -1)
			82
			83		top.location = '/evangelism/xbProjects/_files/errors/index.html?msg=' + escape(msg) + '&url=' + escape(url) + '&line=' + escape(line);
			84
			85		}
			86
			87
			88
			89		// Display Error page...
			90
			91		// XXX: more work to be done here
			92
			93		//
			94
			95		function reportError(message)
			96
			97		{
			98
			99		// customize this for your site
			100
			101		if (top.location.href.indexOf('_files/errors/') == -1)
			102
			103		top.location = '/evangelism/xbProjects/_files/errors/index.html?msg=' + escape(message);
			104
			105		}
			106
			107
			108
			109		function pageRequires(cond, msg, redirectTo)
			110
			111		{
			112
			113		if (!cond)
			114
			115		{
			116
			117		msg = 'This page requires ' + msg;
			118
			119		top.location = redirectTo + '?msg=' + escape(msg);
			120
			121		}
			122
			123		// return cond so can use in <A> onclick handlers to exclude browsers
			124
			125		// from pages they do not support.
			126
			127		return cond;
			128
			129		}
			130
			131
			132
			133		function detectBrowser()
			134
			135		{
			136
			137		var oldOnError = window.onerror;
			138
			139		var element = null;
			140
			141
			142
			143		window.onerror = defaultOnError;
			144
			145
			146
			147		navigator.OS            = '';
			148
			149		navigator.version       = 0;
			150
			151		navigator.org           = '';
			152
			153		navigator.family        = '';
			154
			155
			156
			157		var platform;
			158
			159		if (typeof(window.navigator.platform) != 'undefined')
			160
			161		{
			162
			163		platform = window.navigator.platform.toLowerCase();
			164
			165		if (platform.indexOf('win') != -1)
			166
			167		navigator.OS = 'win';
			168
			169		else if (platform.indexOf('mac') != -1)
			170
			171		navigator.OS = 'mac';
			172
			173		else if (platform.indexOf('unix') != -1 || platform.indexOf('linux') != -1 || platform.indexOf('sun') != -1)
			174
			175		navigator.OS = 'nix';
			176
			177		}
			178
			179
			180
			181		var i = 0;
			182
			183		var ua = window.navigator.userAgent.toLowerCase();
			184
			185
			186
			187		if (ua.indexOf('opera') != -1)
			188
			189		{
			190
			191		i = ua.indexOf('opera');
			192
			193		navigator.family        = 'opera';
			194
			195		navigator.org           = 'opera';
			196
			197		navigator.version       = parseFloat('0' + ua.substr(i+6), 10);
			198
			199		}
			200
			201		else if ((i = ua.indexOf('msie')) != -1)
			202
			203		{
			204
			205		navigator.org           = 'microsoft';
			206
			207		navigator.version       = parseFloat('0' + ua.substr(i+5), 10);
			208
			209
			210
			211		if (navigator.version < 4)
			212
			213		navigator.family = 'ie3';
			214
			215		else
			216
			217		navigator.family = 'ie4'
			218
			219		}
			220
			221		else if (typeof(window.controllers) != 'undefined' && typeof(window.locationbar) != 'undefined')
			222
			223		{
			224
			225		i = ua.lastIndexOf('/')
			226
			227		navigator.version = parseFloat('0' + ua.substr(i+1), 10);
			228
			229		navigator.family = 'gecko';
			230
			231
			232
			233		if (ua.indexOf('netscape') != -1)
			234
			235		navigator.org = 'netscape';
			236
			237		else if (ua.indexOf('compuserve') != -1)
			238
			239		navigator.org = 'compuserve';
			240
			241		else
			242
			243		navigator.org = 'mozilla';
			244
			245		}
			246
			247		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))
			248
			249		{
			250
			251		var is_major = parseFloat(navigator.appVersion);
			252
			253
			254
			255		if (is_major < 4)
			256
			257		navigator.version = is_major;
			258
			259		else
			260
			261		{
			262
			263		i = ua.lastIndexOf('/')
			264
			265		navigator.version = parseFloat('0' + ua.substr(i+1), 10);
			266
			267		}
			268
			269		navigator.org = 'netscape';
			270
			271		navigator.family = 'nn' + parseInt(navigator.appVersion);
			272
			273		}
			274
			275		else if ((i = ua.indexOf('aol')) != -1 )
			276
			277		{
			278
			279		// aol
			280
			281		navigator.family        = 'aol';
			282
			283		navigator.org           = 'aol';
			284
			285		navigator.version       = parseFloat('0' + ua.substr(i+4), 10);
			286
			287		}
			288
			289
			290
			291		navigator.DOMCORE1      = (typeof(document.getElementsByTagName) != 'undefined' && typeof(document.createElement) != 'undefined');
			292
			293		navigator.DOMCORE2      = (navigator.DOMCORE1 && typeof(document.getElementById) != 'undefined' && typeof(document.createElementNS) != 'undefined');
			294
			295		navigator.DOMHTML       = (navigator.DOMCORE1 && typeof(document.getElementById) != 'undefined');
			296
			297		navigator.DOMCSS1       = ( (navigator.family == 'gecko') || (navigator.family == 'ie4') );
			298
			299
			300
			301		navigator.DOMCSS2   = false;
			302
			303		if (navigator.DOMCORE1)
			304
			305		{
			306
			307		element = document.createElement('p');
			308
			309		navigator.DOMCSS2 = (typeof(element.style) == 'object');
			310
			311		}
			312
			313
			314
			315		navigator.DOMEVENTS     = (typeof(document.createEvent) != 'undefined');
			316
			317
			318
			319		window.onerror = oldOnError;
			320
			321		}
			322
			323
			324
			325		detectBrowser();
			326
			327
			328