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1 <!-- 2 // Ultimate client-side JavaScript client sniff. Version 3.03 3 // (C) Netscape Communications 1999-2001. Permission granted to reuse and distribute. 4 // Revised 17 May 99 to add is_nav5up and is_ie5up (see below). 5 // Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up 6 // also added support for IE5.5 Opera4&5 HotJava3 AOLTV 7 // Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4, 8 // correct Opera 5 detection 9 // add support for winME and win2k 10 // synch with browser-type-oo.js 11 // Revised 26 Mar 01 to correct Opera detection 12 // Revised 02 Oct 01 to add IE6 detection 13 14 // Everything you always wanted to know about your JavaScript client 15 // but were afraid to ask. Creates "is_" variables indicating: 16 // (1) browser vendor: 17 // is_nav, is_ie, is_opera, is_hotjava, is_webtv, is_TVNavigator, is_AOLTV 18 // (2) browser version number: 19 // is_major (integer indicating major version number: 2, 3, 4 ...) 20 // is_minor (float indicating full version number: 2.02, 3.01, 4.04 ...) 21 // (3) browser vendor AND major version number 22 // is_nav2, is_nav3, is_nav4, is_nav4up, is_nav6, is_nav6up, is_gecko, is_ie3, 23 // is_ie4, is_ie4up, is_ie5, is_ie5up, is_ie5_5, is_ie5_5up, is_ie6, is_ie6up, is_hotjava3, is_hotjava3up, 24 // is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up 25 // (4) JavaScript version number: 26 // is_js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...) 27 // (5) OS platform and version: 28 // is_win, is_win16, is_win32, is_win31, is_win95, is_winnt, is_win98, is_winme, is_win2k 29 // is_os2 30 // is_mac, is_mac68k, is_macppc 31 // is_unix 32 // is_sun, is_sun4, is_sun5, is_suni86 33 // is_irix, is_irix5, is_irix6 34 // is_hpux, is_hpux9, is_hpux10 35 // is_aix, is_aix1, is_aix2, is_aix3, is_aix4 36 // is_linux, is_sco, is_unixware, is_mpras, is_reliant 37 // is_dec, is_sinix, is_freebsd, is_bsd 38 // is_vms 39 // 40 // See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and 41 // http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html 42 // for detailed lists of userAgent strings. 43 // 44 // Note: you don't want your Nav4 or IE4 code to "turn off" or 45 // stop working when new versions of browsers are released, so 46 // in conditional code forks, use is_ie5up ("IE 5.0 or greater") 47 // is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5 48 // to check version in code which you want to work on future 49 // versions. 50 51 // convert all characters to lowercase to simplify testing 52 var agt = navigator.userAgent.toLowerCase(); 53 54 // *** BROWSER VERSION *** 55 // Note: On IE5, these return 4, so use is_ie5up to detect IE5. 56 var is_major = parseInt(navigator.appVersion); 57 var is_minor = parseFloat(navigator.appVersion); 58 59 // Note: Opera and WebTV spoof Navigator. We do strict client detection. 60 // If you want to allow spoofing, take out the tests for opera and webtv. 61 var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 62 && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 63 && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)); 64 var is_nav2 = (is_nav && (is_major == 2)); 65 var is_nav3 = (is_nav && (is_major == 3)); 66 var is_nav4 = (is_nav && (is_major == 4)); 67 var is_nav4up = (is_nav && (is_major >= 4)); 68 var is_navonly = (is_nav && ((agt.indexOf(";nav") != -1) || 69 (agt.indexOf("; nav") != -1)) ); 70 var is_nav6 = (is_nav && (is_major == 5)); 71 var is_nav6up = (is_nav && (is_major >= 5)); 72 var is_gecko = (agt.indexOf('gecko') != -1); 73 74 75 var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)); 76 var is_ie3 = (is_ie && (is_major < 4)); 77 var is_ie4 = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1)); 78 var is_ie4up = (is_ie && (is_major >= 4)); 79 var is_ie5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1)); 80 var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5")!=-1)); 81 var is_ie5up = (is_ie && !is_ie3 && !is_ie4); 82 var is_ie5_5up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5); 83 var is_ie6 = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1)); 84 var is_ie6up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5); 85 86 // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser 87 // or if this is the first browser window opened. Thus the 88 // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable. 89 var is_aol = (agt.indexOf("aol") != -1); 90 var is_aol3 = (is_aol && is_ie3); 91 var is_aol4 = (is_aol && is_ie4); 92 var is_aol5 = (agt.indexOf("aol 5") != -1); 93 var is_aol6 = (agt.indexOf("aol 6") != -1); 94 95 var is_opera = (agt.indexOf("opera") != -1); 96 var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1); 97 var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1); 98 var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1); 99 var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1); 100 var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4); 101 102 var is_webtv = (agt.indexOf("webtv") != -1); 103 104 var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 105 var is_AOLTV = is_TVNavigator; 106 107 var is_hotjava = (agt.indexOf("hotjava") != -1); 108 var is_hotjava3 = (is_hotjava && (is_major == 3)); 109 var is_hotjava3up = (is_hotjava && (is_major >= 3)); 110 111 // *** JAVASCRIPT VERSION CHECK *** 112 var is_js; 113 if (is_nav2 || is_ie3) is_js = 1.0; 114 else if (is_nav3) is_js = 1.1; 115 else if (is_opera5up) is_js = 1.3; 116 else if (is_opera) is_js = 1.1; 117 else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2; 118 else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3; 119 else if (is_hotjava3up) is_js = 1.4; 120 else if (is_nav6 || is_gecko) is_js = 1.5; 121 // NOTE: In the future, update this code when newer versions of JS 122 // are released. For now, we try to provide some upward compatibility 123 // so that future versions of Nav and IE will show they are at 124 // *least* JS 1.x capable. Always check for JS version compatibility 125 // with > or >=. 126 else if (is_nav6up) is_js = 1.5; 127 // NOTE: ie5up on mac is 1.4 128 else if (is_ie5up) is_js = 1.3 129 130 // HACK: no idea for other browsers; always check for JS version with > or >= 131 else is_js = 0.0; 132 133 // *** PLATFORM *** 134 var is_win = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) ); 135 // NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all 136 // Win32, so you can't distinguish between Win95 and WinNT. 137 var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1)); 138 139 // is this a 16 bit compiled version? 140 var is_win16 = ((agt.indexOf("win16")!=-1) || 141 (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || 142 (agt.indexOf("windows 16-bit")!=-1) ); 143 144 var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) || 145 (agt.indexOf("windows 16-bit")!=-1)); 146 147 var is_winme = ((agt.indexOf("win 9x 4.90")!=-1)); 148 var is_win2k = ((agt.indexOf("windows nt 5.0")!=-1)); 149 150 // NOTE: Reliable detection of Win98 may not be possible. It appears that: 151 // - On Nav 4.x and before you'll get plain "Windows" in userAgent. 152 // - On Mercury client, the 32-bit version will return "Win98", but 153 // the 16-bit version running on Win98 will still return "Win95". 154 var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1)); 155 var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1)); 156 var is_win32 = (is_win95 || is_winnt || is_win98 || 157 ((is_major >= 4) && (navigator.platform == "Win32")) || 158 (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1)); 159 160 var is_os2 = ((agt.indexOf("os/2")!=-1) || 161 (navigator.appVersion.indexOf("OS/2")!=-1) || 162 (agt.indexOf("ibm-webexplorer")!=-1)); 163 164 var is_mac = (agt.indexOf("mac")!=-1); 165 // hack ie5 js version for mac 166 if (is_mac && is_ie5up) is_js = 1.4; 167 var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || 168 (agt.indexOf("68000")!=-1))); 169 var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || 170 (agt.indexOf("powerpc")!=-1))); 171 172 var is_sun = (agt.indexOf("sunos")!=-1); 173 var is_sun4 = (agt.indexOf("sunos 4")!=-1); 174 var is_sun5 = (agt.indexOf("sunos 5")!=-1); 175 var is_suni86= (is_sun && (agt.indexOf("i86")!=-1)); 176 var is_irix = (agt.indexOf("irix") !=-1); // SGI 177 var is_irix5 = (agt.indexOf("irix 5") !=-1); 178 var is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1)); 179 var is_hpux = (agt.indexOf("hp-ux")!=-1); 180 var is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1)); 181 var is_hpux10= (is_hpux && (agt.indexOf("10.")!=-1)); 182 var is_aix = (agt.indexOf("aix") !=-1); // IBM 183 var is_aix1 = (agt.indexOf("aix 1") !=-1); 184 var is_aix2 = (agt.indexOf("aix 2") !=-1); 185 var is_aix3 = (agt.indexOf("aix 3") !=-1); 186 var is_aix4 = (agt.indexOf("aix 4") !=-1); 187 var is_linux = (agt.indexOf("inux")!=-1); 188 var is_sco = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1); 189 var is_unixware = (agt.indexOf("unix_system_v")!=-1); 190 var is_mpras = (agt.indexOf("ncr")!=-1); 191 var is_reliant = (agt.indexOf("reliantunix")!=-1); 192 var is_dec = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || 193 (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || 194 (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); 195 var is_sinix = (agt.indexOf("sinix")!=-1); 196 var is_freebsd = (agt.indexOf("freebsd")!=-1); 197 var is_bsd = (agt.indexOf("bsd")!=-1); 198 var is_unix = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || 199 is_sco ||is_unixware || is_mpras || is_reliant || 200 is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd); 201 202 var is_vms = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1)); 203 204 //-->
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