/* 
** ============================================================================
** JavaScript Browser Sniffer
** Eric Krok, Andy King, Michel Plungjan Jan. 31, 2002
** see http://www.webreference.com/ for more information
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
**  (at your option) any later version.
*/

var agt    = navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();

// *** BROWSER VERSION ***

var is_minor = parseFloat(appVer);
var is_major = parseInt(is_minor);

var is_opera  = (agt.indexOf("opera") != -1);
var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
var is_opera6 = (agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1); // new 020128- abk
var is_opera7 = (agt.indexOf("opera 7") != -1 || agt.indexOf("opera/7") != -1); // new 021205- dmr
var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
var is_opera6up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5); // new020128
var is_opera7up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5 && !is_opera6); // new021205 -- dmr

// Note: On IE, start of appVersion return 3 or 4
// which supposedly is the version of Netscape it is compatible with.
// So we look for the real version further on in the string

var iePos  = appVer.indexOf('msie');
if (iePos !=-1) {
   is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)))
   is_major = parseInt(is_minor);
}

// ditto Konqueror
                                  
var is_konq = false;
var kqPos   = agt.indexOf('konqueror');
if (kqPos !=-1)
{
  is_konq  = true;
  is_minor = parseFloat(agt.substring(kqPos+10,agt.indexOf(';',kqPos)));
  is_major = parseInt(is_minor);
}                                 

var is_getElementById   = (document.getElementById) ? "true" : "false"; // 001121-abk
var is_getElementsByTagName = (document.getElementsByTagName) ? "true" : "false"; // 001127-abk
var is_documentElement = (document.documentElement) ? "true" : "false"; // 001121-abk

var is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
var is_khtml  = (is_safari || is_konq);

var is_gecko = ((!is_khtml)&&(navigator.product)&&(navigator.product.toLowerCase()=="gecko"))?true:false;
var is_gver  = 0;
if (is_gecko) is_gver = navigator.productSub;

var is_moz = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
              (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
              (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
              (is_gecko) && 
              ((navigator.vendor=="")||(navigator.vendor=="Mozilla")||(navigator.vendor=="Debian")));
var is_fb = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
             (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
             (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
             (is_gecko) && (navigator.vendor=="Firebird"));
var is_fx = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
             (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
             (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
             (is_gecko) && (navigator.vendor=="Firefox"));
if ((is_moz)||(is_fb)||(is_fx)) {  // 032504 - dmr
  var is_moz_ver = (navigator.vendorSub)?navigator.vendorSub:0;
  if(!(is_moz_ver) || (navigator.vendor=="Debian")) {
    is_moz_ver = agt.indexOf('rv:');
    is_moz_ver = agt.substring(is_moz_ver+3);
    is_paren   = is_moz_ver.indexOf(')');
    is_moz_ver = is_moz_ver.substring(0,is_paren);
  }
  is_minor = is_moz_ver;
  is_major = parseInt(is_moz_ver);
}
var is_fb_ver = is_moz_ver;
var is_fx_ver = is_moz_ver;

var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
            && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
            && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)
            && (!is_khtml) && (!(is_moz)) && (!is_fb) && (!is_fx));

// Netscape6 is mozilla/5 + Netscape6/6.0!!!
// Mozilla/5.0 (Windows; U; Win98; en-US; m18) Gecko/20001108 Netscape6/6.0
// Changed this to use navigator.vendor/vendorSub - dmr 060502   
// var nav6Pos = agt.indexOf('netscape6');
// if (nav6Pos !=-1) {
if ((navigator.vendor)&&
    ((navigator.vendor=="Netscape6")||(navigator.vendor=="Netscape"))&&
    (is_nav)) {
   is_major = parseInt(navigator.vendorSub);
   // here we need is_minor as a valid float for testing. We'll
   // revert to the actual content before printing the result. 
   is_minor = parseFloat(navigator.vendorSub);
}

var is_nav2 = (is_nav && (is_major == 2));
var is_nav3 = (is_nav && (is_major == 3));
var is_nav4 = (is_nav && (is_major == 4));
var is_nav4up = (is_nav && is_minor >= 4);  // changed to is_minor for
                                            // consistency - dmr, 011001
var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                      (agt.indexOf("; nav") != -1)) );

var is_nav6   = (is_nav && is_major==6);    // new 010118 mhp
var is_nav6up = (is_nav && is_minor >= 6)   // new 010118 mhp

var is_nav5   = (is_nav && is_major == 5 && !is_nav6); // checked for ns6
var is_nav5up = (is_nav && is_minor >= 5);

var is_nav7   = (is_nav && is_major == 7);
var is_nav7up = (is_nav && is_minor >= 7);

var is_ie   = ((iePos!=-1) && (!is_opera) && (!is_khtml));
var is_ie3  = (is_ie && (is_major < 4));

var is_ie4   = (is_ie && is_major == 4);
var is_ie4up = (is_ie && is_minor >= 4);
var is_ie5   = (is_ie && is_major == 5);
var is_ie5up = (is_ie && is_minor >= 5);

var is_ie5_5  = (is_ie && (agt.indexOf("msie 5.5") !=-1)); // 020128 new - abk
var is_ie5_5up =(is_ie && is_minor >= 5.5);                // 020128 new - abk
    
var is_ie6   = (is_ie && is_major == 6);
var is_ie6up = (is_ie && is_minor >= 6);

// KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
// or if this is the first browser window opened.  Thus the
// variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.

var is_aol   = (agt.indexOf("aol") != -1);
var is_aol3  = (is_aol && is_ie3);
var is_aol4  = (is_aol && is_ie4);
var is_aol5  = (agt.indexOf("aol 5") != -1);
var is_aol6  = (agt.indexOf("aol 6") != -1);
var is_aol7  = ((agt.indexOf("aol 7")!=-1) || (agt.indexOf("aol7")!=-1));
var is_aol8  = ((agt.indexOf("aol 8")!=-1) || (agt.indexOf("aol8")!=-1));

var is_webtv = (agt.indexOf("webtv") != -1);

// new 020128 - abk

var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
var is_AOLTV = is_TVNavigator;

var is_hotjava    = (agt.indexOf("hotjava") != -1);
var is_hotjava3   = (is_hotjava && (is_major == 3));
var is_hotjava3up = (is_hotjava && (is_major >= 3));

// end new
    
// *** JAVASCRIPT VERSION CHECK ***
// Useful to workaround Nav3 bug in which Nav3
// loads <SCRIPT LANGUAGE="JavaScript1.2">.
// updated 020131 by dragle
var is_js;
if      (is_nav2 || is_ie3)        is_js = 1.0;
else if (is_nav3)                  is_js = 1.1;
else if ((is_opera5)||(is_opera6)) is_js = 1.3; // 020214 - dmr
else if (is_opera7up)              is_js = 1.5; // 031010 - dmr
else if (is_khtml)                 is_js = 1.5;   // 030110 - dmr
else if (is_opera)                 is_js = 1.1;
else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2;
else if ((is_nav4 && (is_minor > 4.05)) || is_ie5)  is_js = 1.3;
else if (is_nav5 && !(is_nav6))    is_js = 1.4;
else if (is_hotjava3up)            is_js = 1.4; // new 020128 - abk
else if (is_nav6up)                is_js = 1.5;

// NOTE: In the future, update this code when newer versions of JS
// are released. For now, we try to provide some upward compatibility
// so that future versions of Nav and IE will show they are at
// *least* JS 1.x capable. Always check for JS version compatibility
// with > or >=.

else if (is_nav && (is_major > 5)) is_js = 1.4;
else if (is_ie && (is_major > 5))  is_js = 1.3;
else if (is_moz)                   is_js = 1.5;
else if (is_fb||is_fx)             is_js = 1.5; // 032504 - dmr

// what about ie6 and ie6up for js version? abk

// HACK: no isdea for other browsers; always check for JS version 
// with > or >=
else                               is_js = 0.0;

// HACK FOR IE5 MAC = js vers = 1.4 (if put inside if/else jumps out at 1.3)
if ((agt.indexOf("mac")!=-1) && is_ie5up)  is_js = 1.4; // 020128 - abk

// Done with is_minor testing; revert to real for N6/7
if (is_nav6up) {
   is_minor = navigator.vendorSub;
}

// *** PLATFORM ***
var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
// NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
//       Win32, so you can't distinguish between Win95 and WinNT.
var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

// is this a 16 bit compiled version?
var is_win16 = ((agt.indexOf("win16")!=-1) ||
                (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) ||
                (agt.indexOf("windows 16-bit")!=-1) );

var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
                (agt.indexOf("windows 16-bit")!=-1));
    
var is_winme = ((agt.indexOf("win 9x 4.90")!=-1));    // new 020128 - abk
var is_win2k = ((agt.indexOf("windows nt 5.0")!=-1) || (agt.indexOf("windows 2000")!=-1)); // 020214 - dmr
var is_winxp = ((agt.indexOf("windows nt 5.1")!=-1) || (agt.indexOf("windows xp")!=-1)); // 020214 - dmr

// NOTE: Reliable detection of Win98 may not be possible. It appears that:
//       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
//       - On Mercury client, the 32-bit version will return "Win98", but
//         the 16-bit version running on Win98 will still return "Win95".
var is_win98    = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
var is_winnt    = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
var is_win32    = (is_win95 || is_winnt || is_win98 ||
                  ((is_major >= 4) && (navigator.platform == "Win32")) ||
                  (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));

var is_os2      = ((agt.indexOf("os/2")!=-1) ||
                   (navigator.appVersion.indexOf("OS/2")!=-1) ||
                   (agt.indexOf("ibm-webexplorer")!=-1));

var is_mac      = (agt.indexOf("mac")!=-1);
if (is_mac) { is_win = !is_mac; } // dmr - 06/20/2002
var is_mac68k   = (is_mac && ((agt.indexOf("68k")!=-1) ||
                              (agt.indexOf("68000")!=-1)));
var is_macppc   = (is_mac && ((agt.indexOf("ppc")!=-1) ||
                              (agt.indexOf("powerpc")!=-1)));

var is_sun      = (agt.indexOf("sunos")!=-1);
var is_sun4     = (agt.indexOf("sunos 4")!=-1);
var is_sun5     = (agt.indexOf("sunos 5")!=-1);
var is_suni86   = (is_sun && (agt.indexOf("i86")!=-1));
var is_irix     = (agt.indexOf("irix") !=-1);    // SGI
var is_irix5    = (agt.indexOf("irix 5") !=-1);
var is_irix6    = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
var is_hpux     = (agt.indexOf("hp-ux")!=-1);
var is_hpux9    = (is_hpux && (agt.indexOf("09.")!=-1));
var is_hpux10   = (is_hpux && (agt.indexOf("10.")!=-1));
var is_aix      = (agt.indexOf("aix") !=-1);      // IBM
var is_aix1     = (agt.indexOf("aix 1") !=-1);
var is_aix2     = (agt.indexOf("aix 2") !=-1);
var is_aix3     = (agt.indexOf("aix 3") !=-1);
var is_aix4     = (agt.indexOf("aix 4") !=-1);
var is_linux    = (agt.indexOf("inux")!=-1);
var is_sco      = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
var is_unixware = (agt.indexOf("unix_system_v")!=-1);
var is_mpras    = (agt.indexOf("ncr")!=-1);
var is_reliant  = (agt.indexOf("reliantunix")!=-1);
var is_dec      = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) ||
                   (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) ||
                   (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1));
var is_sinix    = (agt.indexOf("sinix")!=-1);
var is_freebsd  = (agt.indexOf("freebsd")!=-1);
var is_bsd      = (agt.indexOf("bsd")!=-1);
var is_unix     = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux ||
                   is_sco ||is_unixware || is_mpras || is_reliant ||
                   is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);

var is_vms      = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1));

// additional checks, abk

var is_anchors  = (document.anchors) ? "true":"false";
var is_regexp   = (window.RegExp) ? "true":"false";
var is_option   = (window.Option) ? "true":"false";
var is_all      = (document.all) ? "true":"false";

// cookies - 990624 - abk
document.cookie = "cookies=true";
var is_cookie   = (document.cookie) ? "true" : "false";
var is_images   = (document.images) ? "true":"false";
var is_layers   = (document.layers) ? "true":"false"; // gecko m7 bug?

// new doc obj tests 990624-abk
var is_forms    = (document.forms) ? "true" : "false";
var is_links    = (document.links) ? "true" : "false";
var is_frames   = (window.frames) ? "true" : "false";
var is_screen   = (window.screen) ? "true" : "false";

// java
var is_java     = (navigator.javaEnabled());


// W3C Validator
var is_css_validator = (agt.indexOf("w3c_css_validator")!=-1);

// pjb
//var avec_css = (  ( is_moz && is_minor >= 1.6 )
var avec_css = (  ( is_moz )
               || ( is_fx )
               || ( is_fb )
               || ( is_ie5up && !is_mac )
               || ( is_konq && is_minor >= 3.2 )
               || ( is_opera7up )
               || ( is_safari )
               );
//avec_css = false;
/* 
** ============================================================================
** Flash Version Detector  v1.2.1
** documentation: http://www.dithered.com/javascript/flash_detect/index.html
** license: http://creativecommons.org/licenses/by/1.0/
** code by Chris Nott (chris[at]dithered[dot]com)
** with VBScript code from Alastair Hamilton (now somewhat modified)
** ============================================================================
*/

var flashVersion = 0;
var flashVersion_DONTKNOW = -1;

var latestFlashVersion = 8;
var agent = navigator.userAgent.toLowerCase(); 
      
// NS3 needs flashVersion to be a local variable
if (agent.indexOf("mozilla/3") != -1 && agent.indexOf("msie") == -1) { flashVersion = 0; }

// NS3+, Opera3+, IE5+ Mac (support plugin array):  check for Flash plugin in plugin array
if (navigator.plugins != null && navigator.plugins.length > 0)
{
  var flashPlugin = navigator.plugins['Shockwave Flash'];
  if (typeof (flashPlugin) == 'object')
  {
    for (var i = latestFlashVersion; i >= 3; i--)
    {
      if (flashPlugin.description.indexOf(i + '.') != -1)
      {
        flashVersion = i;
        break;
      }
    }
  }
}

// IE4+ Win32:  attempt to create an ActiveX object using VBScript
else if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) >= 4 && agent.indexOf("win")!=-1 && agent.indexOf("16bit")==-1)
{
  var doc = '<scr' + 'ipt language="VBScript"\> \n';
  doc += 'On Error Resume Next \n';
  doc += 'Dim obFlash \n';
  doc += 'For i = ' + latestFlashVersion + ' To 3 Step -1 \n';
  doc += '   Set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash." & i) \n';
  doc += '   If IsObject(obFlash) Then \n';
  doc += '      flashVersion = i \n';
  doc += '      Exit For \n';
  doc += '   End If \n';
  doc += 'Next \n';
  doc += '</scr' + 'ipt\> \n';
  document.write(doc);
}
              
// WebTV 2.5 supports flash 3
else if (agent.indexOf("webtv/2.5") != -1) flashVersion = 3;

// older WebTV supports flash 2
else if (agent.indexOf("webtv") != -1) flashVersion = 2;

// Can't detect in all other cases
else { flashVersion = flashVersion_DONTKNOW; }

var avec_flash = ( flashVersion > 3 );