
function BrowserType ()
{   // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    this.major = parseInt(navigator.appVersion);
    this.minor = parseFloat(navigator.appVersion);

    this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1)));
    this.nav2 = (this.nav && (this.major == 2));
    this.nav3 = (this.nav && (this.major == 3));
    this.nav4 = (this.nav && (this.major == 4));
    this.nav4up = this.nav && (this.major >= 4);
    this.navonly      = (this.nav && (agt.indexOf(";nav") != -1));
    this.navcrypto    = (this.nav && (this.minor >= 4.04 ));

    this.ie   = (agt.indexOf("msie") != -1);
    this.ie3  = (this.ie && (this.major == 2));
    this.ie4  = (this.ie && (this.major == 4));
    this.ie4up  = this.ie  && (this.major >= 4);

    this.opera = (agt.indexOf("opera") != -1);
     
    this.crypto = this.navcrypto;

    // *** JAVASCRIPT VERSION CHECK *** 
    // Useful to workaround Nav3 bug in which Nav3 
    // loads <SCRIPT LANGUAGE="JavaScript1.2">.
    if (this.nav2 || this.ie3) this.js = 1.0;
    else if (this.nav3 || this.opera) this.js = 1.1;
    else if (this.nav4 || this.ie4) this.js = 1.2;
    // 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 1.2 capable. Always check for JS version compatibility 
    // with > or >=.
    else if ((this.nav && (this.minor > 4.05)) || (this.ie && (this.major > 4))) 
         {this.js = 1.2}
    else this.js = 0.0; // HACK: always check for JS version with > or >=

    // *** PLATFORM ***
    this.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.
    this.win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

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

    this.win31 = (agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
                 (agt.indexOf("windows 16-bit")!=-1);

    // 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".
    this.win98 = ((agt.indexOf("win98")!=-1)||(agt.indexOf("windows 98")!=-1));
    this.winnt = ((agt.indexOf("winnt")!=-1)||(agt.indexOf("windows nt")!=-1));
    this.win32 = this.win95 || this.winnt || this.win98 || 
                 ((this.major >= 4) && (navigator.platform == "Win32")) ||
                 (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1);

    this.os2   = (agt.indexOf("os/2")!=-1) 
                 || (navigator.appVersion.indexOf("OS/2")!=-1)  
                 || (agt.indexOf("ibm-webexplorer")!=-1);

    this.mac    = (agt.indexOf("mac")!=-1);
    this.mac68k = this.mac && ((agt.indexOf("68k")!=-1) || 
                               (agt.indexOf("68000")!=-1));
    this.macppc = this.mac && ((agt.indexOf("ppc")!=-1) || 
                               (agt.indexOf("powerpc")!=-1));

    this.sun   = (agt.indexOf("sunos")!=-1);
    this.sun4  = (agt.indexOf("sunos 4")!=-1);
    this.sun5  = (agt.indexOf("sunos 5")!=-1);
    this.suni86= this.sun && (agt.indexOf("i86")!=-1);
    this.irix  = (agt.indexOf("irix") !=-1); // SGI
    this.irix5 = (agt.indexOf("irix 5") !=-1);
    this.irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
    this.hpux  = (agt.indexOf("hp-ux")!=-1);
    this.hpux9 = this.hpux && (agt.indexOf("09.")!=-1);
    this.hpux10= this.hpux && (agt.indexOf("10.")!=-1);
    this.aix   = (agt.indexOf("aix")  !=-1);      // IBM
    this.aix1  = (agt.indexOf("aix 1")  !=-1);    
    this.aix2  = (agt.indexOf("aix 2")  !=-1);    
    this.aix3  = (agt.indexOf("aix 3")  !=-1);    
    this.aix4  = (agt.indexOf("aix 4")  !=-1);    
    this.linux = (agt.indexOf("inux")!=-1);
    this.sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
    this.unixware = (agt.indexOf("unix_system_v")!=-1);
    this.mpras    = (agt.indexOf("ncr")!=-1); 
    this.reliant  = (agt.indexOf("reliantunix")!=-1);
    this.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); 
    this.sinix = (agt.indexOf("sinix")!=-1);
    this.freebsd = (agt.indexOf("freebsd")!=-1);
    this.bsd = (agt.indexOf("bsd")!=-1);
    this.unix  = (agt.indexOf("x11")!=-1) || this.sun || this.irix || this.hpux || 
                 this.sco ||this.unixware || this.mpras || this.reliant || 
                 this.dec || this.sinix || this.aix || this.linux || this.freebsd;

    this.vms   = (agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1);
}

function Breakout()
{
  if (top.location != location) {
    top.location.href = document.location.href ;
  }
}



function VariablePopup(SomeURL, WindowHeight, WindowWidth) {

   var ScreenWidth, ScreenHeight;
   var WindowTop, WindowLeft;
   var PopupWindow;

   ScreenHeight = 0;
   ScreenWidth  = 0;
   WindowTop    = 0;
   WindowLeft   = 0;

   var ClientType = new BrowserType(); 

      if (ClientType.ie){
          ScreenWidth  = document.body.clientWidth;
          ScreenHeight = document.body.clientHeight;
       }
      else{
         if (window.innerWidth) ScreenWidth = window.innerWidth;
         if (window.innerHeight) ScreenHeight = window.innerHeight;
       }

     Window_Top  = ScreenHeight - WindowHeight - 20;
     Window_Left = ScreenWidth  - WindowWidth  - 20;

      PopupWindow  = window.open(
                     SomeURL,
                     'Popup',
                     'width='+WindowWidth+',height='+WindowHeight+',top='+Window_Top+',left='+Window_Left+',scrollbars=yes'
                     );

      PopupWindow.focus();

}

//*******************************

function ClosePopup() {
   document.all['Popup'].close();
}

//*******************************

function ChangeParent(SomeURL){
 
 if(window.opener != null){
  window.parent.opener.location = SomeURL;
}
 
 else window.location = SomeURL;
 
}

var ImAPopup = 0;

