// -------------------------------------------------------------------------------------
// Class Browser 
// -------------------------------------------------------------------------------------


function Browser() {
  

  this.Init = Browser_getProperties;

  this.Init(); 
}

function Browser_getProperties(){

    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)));  //added missing ; - 030617 - bdn
       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")));
    if (is_moz) {
       var is_moz_ver = (navigator.vendorSub)?navigator.vendorSub:0;
       if(!(is_moz_ver)) {
           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_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)));
                                                                                                                                                                       
    // 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, added missing ; - 030617 - bdn
                                                                                                                                                                       
    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;
    else if (is_moz) 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;
                                                                                                                                                                       
    // what about ie6 and ie6up for js version? abk
                                                                                                                                                                       
    // HACK: no idea 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;  // 030617 - removed unneccessary {} - bdn
                                                                                                                                                                       
    // *** 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
    //var exp = new Date();
    //exp.setTime(exp.getTime()+18000);
    //Set_Cookie("cookies","true",exp,false,false,false);
    //is_cookie =  Get_Cookie("cookies") ? "true" : "false";  
    //exp.setTime(exp.getTime()-18000);
    //Set_Cookie("cookies","true",exp,false,false,false);   

    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());
                                                                                                                                                                       
   // Flash checking code adapted from Doc JavaScript information;
   // see http://webref.com/js/column84/2.html
                                                                                                                                                                       
   var is_Flash        = false;
   var is_FlashVersion = 0;
                                                                                                                                                                       
   if ((is_nav||is_opera||is_moz)||(is_mac&&is_ie5up)) {  //030617 - bdn - put on one line
                                                                //IMHO it makes it easier to follow flow
      var plugin = (navigator.mimeTypes &&
                    navigator.mimeTypes["application/x-shockwave-flash"] &&
                    navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin) ?
                    navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;
      if (plugin) {
         is_Flash = true;
         is_FlashVersion = parseInt(plugin.description.substring(plugin.description.indexOf(".")-1));
       }
   }
   if (is_win&&is_ie4up)
   {
      document.write(
         '<scr' + 'ipt language=VBScript>' + '\n' +
         'Dim hasPlayer, playerversion' + '\n' +
         'hasPlayer = false' + '\n' +
         'playerversion = 10' + '\n' +
         'Do While playerversion > 0' + '\n' +
            'On Error Resume Next' + '\n' +
            'hasPlayer = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash." & playerversion)))' + '\n' +
            'If hasPlayer = true Then Exit Do' + '\n' +
            'playerversion = playerversion - 1' + '\n' +
         'Loop' + '\n' +
         'is_FlashVersion = playerversion' + '\n' +
         'is_Flash = hasPlayer' + '\n' +
         '<\/sc' + 'ript>'
      );
   }
                                                                                                                                                                       
   // Windows Media Player checking code adapted from
   // eMedia Communications Strategies information and Microsoft documentation
   // see http://www.emediacommunications.biz/sm5/articlesm5.html
   // and http://support.microsoft.com/default.aspx?scid=kb;en-us;279022
   //
   //Note: Windows Media Player version 7+ ships with the old 6.4
   //      control as well as the newest version.  For this reason,
   //      is_WMP64 will remain true even if is_WMP7up
   //      is set to true.
                                                                                                                                                                       
   var is_WMP = false;
   var is_WMP64 = false;
   var is_WMP7up = false;
   if (is_win&&is_ie4up)  //use ActiveX test
   {
      var objMediaPlayer;
                                                                                                                                                                       
      try {
        objMediaPlayer = new ActiveXObject("MediaPlayer.MediaPlayer.1");
        is_WMP = true;
        is_WMP64 = true;
      }
      catch(objError) {
        is_WMP = false;
        is_WMP64 = false;
      }
                                                                                                                                                                       
      if (is_WMP) {
        try {
          objMediaPlayer = new ActiveXObject("WMPlayer.OCX");
          is_WMP7up = true;
        }
        catch(objError) {
          is_WMP7up = false;
        }
      }
   }
   else {  //use plugin test (this not tested yet)
     var numPlugins = navigator.plugins.length;
                                                                                                                                                                       
     for (var i = 0; i < numPlugins; i++) {
       if (navigator.plugins[i].name.substring(0,20)=="Windows Media Player") {
         is_WMP = true;
         is_WMP64 = true;
       }
     }
   }
   var WMPVer;
                                                                                                                                                                       
   if (is_WMP7up)
   {
      WMPVer = objMediaPlayer.versionInfo;
      objMediaPlayer = null;
   }
   else WMPVer = "6.4";
                                                                                                                                                                       
   var is_WMPMinor = parseFloat(WMPVer);
   var is_WMPMajor = parseInt(is_WMPMinor);
                                                                                                                                                                       
   var is_WMP7 = (is_WMPMinor == 7.0);
   var is_WMP71 = (is_WMPMinor == 7.1);
   var is_WMP8 = (is_WMPMajor == 8);
   var is_WMP9 = (is_WMPMajor == 9);
   var is_WMP71up = (is_WMPMinor >= 7.1);
   var is_WMP8up = (is_WMPMinor >= 8);
   var is_WMP9up = (is_WMPMinor >= 9);



   // -----------------------------------------------------------------------------------------------------
   // Object Properties
   // -----------------------------------------------------------------------------------------------------
   this.version = is_minor;
   this.javascript = is_js;
   this.is_java = is_java;
   this.is_flash = is_Flash;
   this.is_cookie = is_cookie;
   this.is_flashversion = is_FlashVersion;
   if (is_WMP7 || is_WMP71 || is_WMP8 || is_WMP9 || is_WMP71up || is_WMP8up || is_WMP9up) {
      this.is_wmp = true;
      this.is_wmpversion = is_WMPMinor;
   } else { this.is_wmpversion = 0; }

   // -> Browser
   // -------------
   if (is_opera || is_opera2 || is_opera3 || is_opera4 || is_opera5 || is_opera6 || is_opera7 ||
       is_opera5up || is_opera6up || is_opera7up) {
     this.is_opera = true;
     this.browser = "Opera";
   } else if (is_konq) { this.is_konqueror = true; this.browser = "Konqueror"; }
   else if (is_safari) { this.is_safari = true; this.browser = "Safari"; }
   else if (is_moz) { this.is_gecko = true; this.browser = "Mozilla"; }
   else if (is_ie || is_ie3 || is_ie4 || is_ie4up || is_ie5 || is_ie5up || is_ie5_5 || is_ie5_5up || is_ie6 || is_ie6up) {
     this.is_ie = true;
     this.browser = "Internet Explorer";
   } else if (is_nav || is_nav2 || is_nav3 || is_nav4 || is_nav4up || is_navonly || is_nav6 || is_nav6up ||
              is_nav5 || is_nav5up || is_nav7 || is_nav7up) {
     this.is_netscape = true;
     this.browser = "Netscape";
   } else if (is_aol || is_aol3 || is_aol4 || is_aol5 || is_aol6 || is_aol7 || is_aol8) {
     this.is_AOL = true;
     this.browser = "AOL";
   } else if (is_hotjava || is_hotjava3 || is_hotjava3up) {
     this.is_HOTJAVA = true;
     this.browser = "Hot Java";
   } else if (is_webtv) { this.is_WEBTV = true; this.browser ="WebTV"; }
   else if (is_TVNavigator) { this.is_TVNavigator = true; this.browser ="TV Navigator"; }
   else if (is_AOLTV) { this.is_AOLTV = true; this.browser ="AOL TV"; }                                                                                                                             
   // -> OS
   // -----------
   if (is_os2) { this.is_OS_os2 = true; this.OS = "OS/2"; }
   else if (is_win || is_win95 || is_win16 || is_win31 || is_winme || is_win2k || 
            is_winxp || is_win98 || is_winnt || is_win32) {
     this.is_OS_win = true;
     if (is_win2k) { this.OS = "win2000"; }
     else if (is_winxp) { this.OS = "winXP"; }
     else if (is_winnt) { this.OS = "winNT"; }
     else if (is_win98) { this.OS = "win98"; }
     else if (is_win95) { this.OS = "win95"; }
     else if (is_win31) { this.OS = "win3.1"; }
     else if (is_win16) { this.OS = "win16_bits"; }
     else if (is_win32) { this.OS = "win32_bits"; }     
   }
   else if (is_mac || is_mac68k || is_macppc) {
     this.is_OS_mac = true;
     if (is_mac68k) { this.OS = "Mac 68k"; }
     else if (is_macppc) { this.OS = "Mac PowerPC"; } 
     else if (is_mac) { this.OS = "Mac"; }
   }
   else if (is_linux) { this.is_OS_linux = "true";  this.OS = "Linux"; }
   else if (is_sun || is_sun4 || is_sun5 || is_suni86) {
     this.is_OS_SUN = true;
     if (is_suni86) { this.OS = "SUNOS i86"; }
     else if (is_sun5) { this.OS = "SUNOS 5"; }
     else if (is_sun4) { this.OS = "SUNOS 4"; }
     else if (is_sun) { this.OS = "SUNOS"; }
   }
   else if (is_irix || is_irix5 || is_irix6 ) {
     this.is_OS_IRIX = true;
     if (is_irix6) { this.OS = "IRIX 6"; }
     else if (is_irix5) { this.OS = "IRIX 5"; }
     else if (is_irix) { this.OS = "IRIX"; }
   }
   else if (is_hpux || is_hpux9 || is_hpux10) {
     this.is_OS_HPUX = true; 
     if (is_hpux10) { this.OS = "HP-UX 10"; }
     else if (is_hpux9) { this.OS = "HP-UX 9"; }
     else if (is_hpux) { this.OS = "HP-UX"; }
   }
   else if (is_aix || is_aix1 || is_aix2 || is_aix3 || is_aix4 ) {
     this.is_OS_AIX = true;
     if (is_aix4) { this.OS = "AIX 4"; }
     if (is_aix3) { this.OS = "AIX 3"; }
     if (is_aix2) { this.OS = "AIX 2"; }
     if (is_aix1) { this.OS = "AIX 1"; }
     if (is_aix) { this.OS = "AIX"; }
   }
   else if (is_sco) { this.is_OS_SCO = true; this.OS = "SCO"; }
   else if (is_unixware) { this.is_OS_UNIXWARE = true; this.OS = "UNIXWARE"; }
   else if (is_mpras) { this.is_OS_MPRAS = true; this.OS = "NCR"; }
   else if (is_reliant) { this.is_OS_RELIANT = true; this.OS = "RELIANT"; }
   else if (is_dec) { this.is_OS_DEC = true; this.OS = "DEC"; }
   else if (is_sinix) { this.is_OS_SINIX = true; this.OS = "SINIX"; }
   else if (is_freebsd) { this.is_OS_FREEBSD = true; this.OS = "FREEBSD"; }
   else if (is_bsd) { this.is_OS_BSD = true; this.OS = "BSD"; }
   else if (is_vms) { this.is_OS_VMS = true; this.OS = "OPENVMS"; }
   if (this.is_OS_SUN || this.is_OS_IRIX || this.is_OS_HPUX || this.is_OS_AIX || this.is_OS_SCO || this.is_OS_UNIXWARE ||
       this.is_OS_MPRAS || this.is_OS_RELIANT || this.is_OS_DEC || this.is_OS_SINIX || this.is_OS_FREEBSD || this.is_OS_BSD)
   { this.is_UNIX = true; }


   // Screen resolution
   // --------------------
  this.screen_width = self.screen.width;
  this.screen_height = self.screen.height;
  this.screen_colorDepth =  self.screen.colorDepth;

}



// ------------------------------------------------------------------------
//  Xwindow object
// ------------------------------------------------------------------------
function xwindow(win) {
   // Properties
   this.win = win;

   // Methods
   this.getPosX = xwindow_getPosX;
   this.getPosY = xwindow_getPosY;
   this.getScrollX =  xwindow_getScrollX;
   this.getScrollY =  xwindow_getScrollY;
   this.getLenX = xwindow_getLenX;
   this.getLenY = xwindow_getLenY;
   this.getLenDocX = xwindow_getLenDocX;
   this.getLenDocY = xwindow_getLenDocY;
}

function xwindow_getPosX() {
  return (this.win.screenX || this.win.screenX == 0)? this.win.screenX : this.win.screenLeft;
}

function xwindow_getPosY() {
  return (this.win.screenY || this.win.screenY == 0)? this.win.screenY : this.win.screenTop;
}

function xwindow_getScrollX() {
   var x=0;
   // all except Explorer
   if (this.win.pageYOffset) { var x = this.win.pageXOffset; }
   // Explorer 6 Strict
   else if (this.win.document.documentElement && this.win.document.documentElement.scrollTop) {
	var x = this.win.document.documentElement.scrollLeft;
   }
   // all other Explorers
   else if (this.win.document.body) { var x = this.win.document.body.scrollLeft;
   }
   return x;
}

function xwindow_getScrollY() {
  var y=0;
  // all except Explorer
  if (this.win.pageYOffset) { var y = this.win.pageYOffset; }
  // Explorer 6 Strict
  else if (this.win.document.documentElement && this.win.document.documentElement.scrollTop) {
	var y = this.win.document.documentElement.scrollTop;
  }
  // all other Explorers
  else if (this.win.document.body) { var y = this.win.document.body.scrollTop; }
  return y;
}

function xwindow_getLenX() {
   var x=0;
   // all except Explorer
   if (this.win.innerHeight) {  var x = this.win.innerWidth; }
   // Explorer 6 Strict Mode
   else if (this.win.document.documentElement && this.win.document.documentElement.clientHeight) {
        var x = this.win.document.documentElement.clientWidth;
   }
   // other Explorers
   else if (this.win.document.body) { var x = this.win.document.body.clientWidth; }
   return x;
}

function xwindow_getLenY() {
   var y=0;
   // all except Explorer
   if (this.win.innerHeight) { var y = this.win.innerHeight; }
   // Explorer 6 Strict Mode
   else if (this.win.document.documentElement && this.win.document.documentElement.clientHeight) {
        var y = this.win.document.documentElement.clientHeight;
   }
   // other Explorers
   else if (this.win.document.body) { y = this.win.document.body.clientHeight; }
   return y;
}

function xwindow_getLenDocX() {
  var x = 0;
  if (this.win.document.body.scrollWidth) { var x = this.win.document.body.scrollWidth; }
  else if (this.win.document.documentElement.scrollWidth) { var x = this.win.document.documentElement.scrollWidth; }
  return x;
}

function xwindow_getLenDocY() {
  var y = 0;
  if (this.win.document.body.scrollWidth) { var y = this.win.document.body.scrollHeight; }
  else if (this.win.document.documentElement.scrollWidth) { var y = this.win.document.documentElement.scrollHeight; }
  return y;
}