// javascript by Marco Balestra <balestra@cesmail.net>

if (! (params.stylesheet)) {
 if (params.isPrint) params.stylesheet = 'print.css';
 else if (params.lang == 'ar') params.stylesheet = 'sitestyle_ar.css';
 else if (params.lang == 'zh') params.stylesheet = 'sitestyle_zh.css';
 else params.stylesheet = 'sitestyle.css';
}

document.writeln('<link rel="stylesheet" type="text/css" href="'+ params.cssDir + params.stylesheet +'">');
document.writeln('<link rel="stylesheet" type="text/css" href="'+ params.cssDir + 'tstyle.css">');

var bd = {}; browser_detect();

document.writeln('<link rel="stylesheet" type="text/css" href="'+ params.cssDir +'topsearch_'+( bd.is_nav && ! bd.is_nav6up ? 'low' : 'high' )+'.css">');

function browser_detect() {
    bd.agt=navigator.userAgent.toLowerCase();
    
    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use bd.is_ie5up to detect IE5.
    bd.is_major = parseInt(navigator.appVersion);
    bd.is_minor = parseFloat(navigator.appVersion);
    
    // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
    // If you want to allow spoofing, take out the tests for opera and webtv.
    bd.is_nav  = ((bd.agt.indexOf('mozilla')!=-1) && (bd.agt.indexOf('spoofer')==-1)
                && (bd.agt.indexOf('compatible') == -1) && (bd.agt.indexOf('opera')==-1)
                && (bd.agt.indexOf('webtv')==-1) && (bd.agt.indexOf('hotjava')==-1));
    bd.is_nav2 = (bd.is_nav && (bd.is_major == 2));
    bd.is_nav3 = (bd.is_nav && (bd.is_major == 3));
    bd.is_nav4 = (bd.is_nav && (bd.is_major == 4));
    bd.is_nav4up = (bd.is_nav && (bd.is_major >= 4));
    bd.is_navonly      = (bd.is_nav && ((bd.agt.indexOf(";nav") != -1) ||
                          (bd.agt.indexOf("; nav") != -1)) );
    bd.is_nav6 = (bd.is_nav && (bd.is_major == 5));
    bd.is_nav6up = (bd.is_nav && (bd.is_major >= 5));
    bd.is_gecko = (bd.agt.indexOf('gecko') != -1);
    
    
    bd.is_ie     = ((bd.agt.indexOf("msie") != -1) && (bd.agt.indexOf("opera") == -1));
    bd.is_ie3    = (bd.is_ie && (bd.is_major < 4));
    bd.is_ie4    = (bd.is_ie && (bd.is_major == 4) && (bd.agt.indexOf("msie 4")!=-1) );
    bd.is_ie4up  = (bd.is_ie && (bd.is_major >= 4));
    bd.is_ie5    = (bd.is_ie && (bd.is_major == 4) && (bd.agt.indexOf("msie 5.0")!=-1) );
    bd.is_ie5_5  = (bd.is_ie && (bd.is_major == 4) && (bd.agt.indexOf("msie 5.5") !=-1));
    bd.is_ie5up  = (bd.is_ie && !bd.is_ie3 && !bd.is_ie4);
    bd.is_ie5_5up =(bd.is_ie && !bd.is_ie3 && !bd.is_ie4 && !bd.is_ie5);
    bd.is_ie6    = (bd.is_ie && (bd.is_major == 4) && (bd.agt.indexOf("msie 6.")!=-1) );
    bd.is_ie6up  = (bd.is_ie && !bd.is_ie3 && !bd.is_ie4 && !bd.is_ie5 && !bd.is_ie5_5);
    
    // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
    // or if this is the first browser window opened.  Thus the
    // variables bd.is_aol, bd.is_aol3, and bd.is_aol4 aren't 100% reliable.
    bd.is_aol   = (bd.agt.indexOf("aol") != -1);
    bd.is_aol3  = (bd.is_aol && bd.is_ie3);
    bd.is_aol4  = (bd.is_aol && bd.is_ie4);
    bd.is_aol5  = (bd.agt.indexOf("aol 5") != -1);
    bd.is_aol6  = (bd.agt.indexOf("aol 6") != -1);
    
    bd.is_opera = (bd.agt.indexOf("opera") != -1);
    bd.is_opera2 = (bd.agt.indexOf("opera 2") != -1 || bd.agt.indexOf("opera/2") != -1);
    bd.is_opera3 = (bd.agt.indexOf("opera 3") != -1 || bd.agt.indexOf("opera/3") != -1);
    bd.is_opera4 = (bd.agt.indexOf("opera 4") != -1 || bd.agt.indexOf("opera/4") != -1);
    bd.is_opera5 = (bd.agt.indexOf("opera 5") != -1 || bd.agt.indexOf("opera/5") != -1);
    bd.is_opera5up = (bd.is_opera && !bd.is_opera2 && !bd.is_opera3 && !bd.is_opera4);
    
    bd.is_webtv = (bd.agt.indexOf("webtv") != -1); 
    
    bd.is_TVNavigator = ((bd.agt.indexOf("navio") != -1) || (bd.agt.indexOf("navio_aoltv") != -1)); 
    bd.is_AOLTV = bd.is_TVNavigator;
    
    bd.is_hotjava = (bd.agt.indexOf("hotjava") != -1);
    bd.is_hotjava3 = (bd.is_hotjava && (bd.is_major == 3));
    bd.is_hotjava3up = (bd.is_hotjava && (bd.is_major >= 3));
    
    // *** JAVASCRIPT VERSION CHECK ***
    bd.is_js;
    if (bd.is_nav2 || bd.is_ie3) bd.is_js = 1.0;
    else if (bd.is_nav3) bd.is_js = 1.1;
    else if (bd.is_opera5up) bd.is_js = 1.3;
    else if (bd.is_opera) bd.is_js = 1.1;
    else if ((bd.is_nav4 && (bd.is_minor <= 4.05)) || bd.is_ie4) bd.is_js = 1.2;
    else if ((bd.is_nav4 && (bd.is_minor > 4.05)) || bd.is_ie5) bd.is_js = 1.3;
    else if (bd.is_hotjava3up) bd.is_js = 1.4;
    else if (bd.is_nav6 || bd.is_gecko) bd.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 (bd.is_nav6up) bd.is_js = 1.5;
    // NOTE: ie5up on mac is 1.4
    else if (bd.is_ie5up) bd.is_js = 1.3
    
    // HACK: no idea for other browsers; always check for JS version with > or >=
    else bd.is_js = 0.0;
    
    // *** PLATFORM ***
    bd.is_win   = ( (bd.agt.indexOf("win")!=-1) || (bd.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.
    bd.is_win95 = ((bd.agt.indexOf("win95")!=-1) || (bd.agt.indexOf("windows 95")!=-1));
    
    // is this a 16 bit compiled version?
    bd.is_win16 = ((bd.agt.indexOf("win16")!=-1) || 
               (bd.agt.indexOf("16bit")!=-1) || (bd.agt.indexOf("windows 3.1")!=-1) || 
               (bd.agt.indexOf("windows 16-bit")!=-1) );  
    
    bd.is_win31 = ((bd.agt.indexOf("windows 3.1")!=-1) || (bd.agt.indexOf("win16")!=-1) ||
                    (bd.agt.indexOf("windows 16-bit")!=-1));
    
    bd.is_winme = ((bd.agt.indexOf("win 9x 4.90")!=-1));
    bd.is_win2k = ((bd.agt.indexOf("windows nt 5.0")!=-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".
    bd.is_win98 = ((bd.agt.indexOf("win98")!=-1) || (bd.agt.indexOf("windows 98")!=-1));
    bd.is_winnt = ((bd.agt.indexOf("winnt")!=-1) || (bd.agt.indexOf("windows nt")!=-1));
    bd.is_win32 = (bd.is_win95 || bd.is_winnt || bd.is_win98 || 
                    ((bd.is_major >= 4) && (navigator.platform == "Win32")) ||
                    (bd.agt.indexOf("win32")!=-1) || (bd.agt.indexOf("32bit")!=-1));
    
    bd.is_os2   = ((bd.agt.indexOf("os/2")!=-1) || 
                    (navigator.appVersion.indexOf("OS/2")!=-1) ||   
                    (bd.agt.indexOf("ibm-webexplorer")!=-1));
    
    bd.is_mac    = (bd.agt.indexOf("mac")!=-1);
    // hack ie5 js version for mac
    if (bd.is_mac && bd.is_ie5up) bd.is_js = 1.4;
    bd.is_mac68k = (bd.is_mac && ((bd.agt.indexOf("68k")!=-1) || 
                               (bd.agt.indexOf("68000")!=-1)));
    bd.is_macppc = (bd.is_mac && ((bd.agt.indexOf("ppc")!=-1) || 
                                (bd.agt.indexOf("powerpc")!=-1)));
    
    bd.is_sun   = (bd.agt.indexOf("sunos")!=-1);
    bd.is_sun4  = (bd.agt.indexOf("sunos 4")!=-1);
    bd.is_sun5  = (bd.agt.indexOf("sunos 5")!=-1);
    bd.is_suni86= (bd.is_sun && (bd.agt.indexOf("i86")!=-1));
    bd.is_irix  = (bd.agt.indexOf("irix") !=-1);    // SGI
    bd.is_irix5 = (bd.agt.indexOf("irix 5") !=-1);
    bd.is_irix6 = ((bd.agt.indexOf("irix 6") !=-1) || (bd.agt.indexOf("irix6") !=-1));
    bd.is_hpux  = (bd.agt.indexOf("hp-ux")!=-1);
    bd.is_hpux9 = (bd.is_hpux && (bd.agt.indexOf("09.")!=-1));
    bd.is_hpux10= (bd.is_hpux && (bd.agt.indexOf("10.")!=-1));
    bd.is_aix   = (bd.agt.indexOf("aix") !=-1);      // IBM
    bd.is_aix1  = (bd.agt.indexOf("aix 1") !=-1);    
    bd.is_aix2  = (bd.agt.indexOf("aix 2") !=-1);    
    bd.is_aix3  = (bd.agt.indexOf("aix 3") !=-1);    
    bd.is_aix4  = (bd.agt.indexOf("aix 4") !=-1);    
    bd.is_linux = (bd.agt.indexOf("inux")!=-1);
    bd.is_sco   = (bd.agt.indexOf("sco")!=-1) || (bd.agt.indexOf("unix_sv")!=-1);
    bd.is_unixware = (bd.agt.indexOf("unix_system_v")!=-1); 
    bd.is_mpras    = (bd.agt.indexOf("ncr")!=-1); 
    bd.is_reliant  = (bd.agt.indexOf("reliantunix")!=-1);
    bd.is_dec   = ((bd.agt.indexOf("dec")!=-1) || (bd.agt.indexOf("osf1")!=-1) || 
           (bd.agt.indexOf("dec_alpha")!=-1) || (bd.agt.indexOf("alphaserver")!=-1) || 
           (bd.agt.indexOf("ultrix")!=-1) || (bd.agt.indexOf("alphastation")!=-1)); 
    bd.is_sinix = (bd.agt.indexOf("sinix")!=-1);
    bd.is_freebsd = (bd.agt.indexOf("freebsd")!=-1);
    bd.is_bsd = (bd.agt.indexOf("bsd")!=-1);
    bd.is_unix  = ((bd.agt.indexOf("x11")!=-1) || bd.is_sun || bd.is_irix || bd.is_hpux || 
                 bd.is_sco ||bd.is_unixware || bd.is_mpras || bd.is_reliant || 
                 bd.is_dec || bd.is_sinix || bd.is_aix || bd.is_linux || bd.is_bsd || bd.is_freebsd);
    
    bd.is_vms   = ((bd.agt.indexOf("vax")!=-1) || (bd.agt.indexOf("openvms")!=-1));
}

function getObj(divId) {
 if (document.getElementById) return document.getElementById(divId) ? document.getElementById(divId) : false;
 if (document.all) return document.all[divId] ? document.all[divId] : false;
 return false;
}

function showHideDiv(divId) {
 var x = getObj(divId);
 if ( (x) && (x.style) ) {
  var curVal = String(x.style.display);
  x.style.display = curVal == 'inline' ? 'none' : 'inline';
 }
 return void(0);
}

function showHideDiv2(divId) {
 var x = getObj(divId);
 if ( (x) && (x.style) ) {
  var curVal = String(x.style.display);
  x.style.display = curVal == 'block' ? 'none' : 'block';
  if (searchableItems[divId]) {
   var i;
   for (i=0; i< searchableItems[divId].length; i++)
    showDiv2('searchableItem'+searchableItems[divId][i]);
  }
 }
 return void(0);
}

function showDiv(divId) {
 var x = getObj(divId);
 if ( (x) && (x.style) ) x.style.display = 'inline';
 return void(0);
}

function showDiv2(divId) {
 var x = getObj(divId);
 if ( (x) && (x.style) ) x.style.display = 'block';
 return void(0);
}

function hideDiv(divId) {
 var x = getObj(divId);
 if ( (x) && (x.style) ) x.style.display = 'none';
 return void(0);
}

function hideDiv2(divId) {
 var x = getObj(divId);
 if ( (x) && (x.style) ) x.style.display = 'none';
 return void(0);
}

function setObjDisplay(divId,displayMode) {
 var x = getObj(divId);
 if ( (x) && (x.style) ) x.style.display = displayMode;
 return void(0);
}