//  Culled from various Web sources - created Jan 25, 2005
//  Browser Info: determines OS, Browser, Plugins and versions, and setups DOM model object string
function BrowserDetect() {
   var ua = navigator.userAgent.toLowerCase();
   // browser engine name
   this.isGecko       = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isAppleWebKit = (ua.indexOf('applewebkit') != -1);
   // browser name
   this.isKonqueror   = (ua.indexOf('konqueror') != -1); 
   this.isSafari      = (ua.indexOf('safari') != - 1);
   this.isOmniweb     = (ua.indexOf('omniweb') != - 1);
   this.isOpera       = (ua.indexOf('opera') != -1); 
   this.isIcab        = (ua.indexOf('icab') != -1); 
   this.isAol         = (ua.indexOf('aol') != -1); 
   this.isIE          = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1) ); 
   this.isMozilla     = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isFirefox    = (ua.indexOf('firefox/') != -1);
   this.isNS          = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   // rendering engine versions
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
   this.equivalentMozilla = ( (this.isGecko) ? parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) ) : -1 );
   this.appleWebKitVersion = ( (this.isAppleWebKit) ? parseFloat( ua.substring( ua.indexOf('applewebkit/') + 12) ) : -1 );
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   // correct version number
   if (this.isGecko && !this.isMozilla) {this.versionMinor = parseFloat( ua.substring( ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1 ) );}
   else if (this.isMozilla) {this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );}
   else if (this.isIE && this.versionMinor >= 4) {this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );}
   else if (this.isKonqueror) {this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );}
   else if (this.isSafari) {this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('safari/') + 7 ) );}
   else if (this.isOmniweb) {this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('omniweb/') + 8 ) );}
   else if (this.isOpera) {this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera') + 6 ) );}
   else if (this.isIcab) {this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab') + 5 ) );}
   this.versionMajor = parseInt(this.versionMinor); 
   // dom support
   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   // css compatibility mode
   this.mode = document.compatMode ? document.compatMode : 'BackCompat';
   // platform
   this.isWin    = (ua.indexOf('win') != -1);
   this.isWin32  = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
   this.isMac    = (ua.indexOf('mac') != -1);
   this.isUnix   = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
   this.isLinux  = (ua.indexOf('linux') != -1);
   // specific browser shortcuts
   this.isNS4x = (this.isNS && this.versionMajor == 4);
   this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
   this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
   this.isNS4up = (this.isNS && this.versionMinor >= 4);
   this.isNS6x = (this.isNS && this.versionMajor == 6);
   this.isNS6up = (this.isNS && this.versionMajor >= 6);
   this.isNS7x = (this.isNS && this.versionMajor == 7);
   this.isNS7up = (this.isNS && this.versionMajor >= 7); 
   this.isIE4x = (this.isIE && this.versionMajor == 4);
   this.isIE4up = (this.isIE && this.versionMajor >= 4);
   this.isIE5x = (this.isIE && this.versionMajor == 5);
   this.isIE55 = (this.isIE && this.versionMinor == 5.5);
   this.isIE5up = (this.isIE && this.versionMajor >= 5);
   this.isIE6x = (this.isIE && this.versionMajor == 6);
   this.isIE6up = (this.isIE && this.versionMajor >= 6);
   this.isIE4xMac = (this.isIE4x && this.isMac);
   this.isIE5xMac = (this.isIE && this.isMac && (ua.indexOf('mozilla') != -1));
}
var browser = new BrowserDetect();
// Look for plug-ins and versions
function detectIE(ClassID,name)
{ 
	var result = false;
    for(var i = 15; i >= 3 && result != true; i--){
   		execScript('on error resume next: result = IsObject(CreateObject(ClassID + i))','VBScript');
   		flash.version = i;
   	}
   	if(result)return name + ',';
   	else return '';
}
function detectNOTIE(ClassID,name)
{
	n = "";
	if (nse.indexOf(ClassID) != -1)
	{
		if (navigator.mimeTypes[ClassID].enabledPlugin != null)
		{
		    n = name+",";
		    if (name == "Shockwave Flash")
		    {
   	            for (x=0; x < navigator.plugins.length; x++)
   	            {
		            if (navigator.plugins[x].name.indexOf('Shockwave Flash') != -1)
		            {
			            flash.version = navigator.plugins[x].description.split('Shockwave Flash ')[1];
			        }
    	        }
		    }
		}
    }
	return n;
} 
    var flashVer = "7";
    var flash = new Object();
    flash.version = '0';
    if ((browser.isIE4up || browser.isIE5up || browser.isIE6up) && browser.isWin32)
    {	
	    pluginlist = detectIE("SWCtl.SWCtl","Shockwave Director") + 
	    detectIE("ShockwaveFlash.ShockwaveFlash","Shockwave Flash") + 
	    detectIE("rmocx.RealPlayer G2 Control","RealPlayer") + 
	    detectIE("QuickTimeCheckObject.QuickTimeCheck","QuickTime") + 
	    detectIE("MediaPlayer.MediaPlayer","Windows Media Player") + 
	    detectIE("PDF.PdfCtrl","Acrobat Reader");
    }
    else
    {
	    nse = ""; 
	    for(var i=0;i<navigator.mimeTypes.length;i++)
	    {
		    nse += navigator.mimeTypes[i].type.toLowerCase();
        }
	    pluginlist = detectNOTIE("image/svg-xml","SVG Viewer") + 
	                detectNOTIE("application/x-director","Shockwave Director") + 
	                detectNOTIE("application/x-shockwave-flash","Shockwave Flash") + 
	                detectNOTIE("audio/x-pn-realaudio-plugin","RealPlayer") + 
	                detectNOTIE("video/quicktime","QuickTime") + 
	                detectNOTIE("application/x-mplayer2","Windows Media Player") + 
	                detectNOTIE("application/pdf","Acrobat Reader");
    }
    if (pluginlist.length > 0) {pluginlist = pluginlist.substring(0,pluginlist.length-1);}
    if (pluginlist.indexOf("Flash") >= 0) {browser.hasFlash = true;}
    else {browser.hasFlash = false;}
    if (pluginlist.indexOf("Shockwave Director") >= 0) {browser.hasShockwave = true;}
    else {browser.hasShockwave = false;}
    if (pluginlist.indexOf("RealPlayer") >= 0) {browser.hasRealPlayer = true;}
    else {browser.hasRealPlayer = false;}
    if (pluginlist.indexOf("Windows Media Player") >= 0) {browser.hasWindowsMediaPlayer = true;}
    else {browser.hasWindowsMediaPlayer = false;}
    if (pluginlist.indexOf("QuickTime") >= 0) {browser.hasQuickTime = true;}
    else {browser.hasQuickTime = false;}
    if (pluginlist.indexOf("Acrobat Reader") >= 0) {browser.hasAcrobatReader = true;}
    else {browser.hasAcrobatReader = false;}
    var FlashOK = (browser.hasFlash && (flash.version >= flashVer));
    // Setup DOM compatible object string
    var coll = "";
    var styleObj = "";
    if (browser.isIE4up || browser.isIE5up || browser.isIE6up || browser.isIE4xMac || browser.isIE5xMac)
    {
        //setup IE's proprietary DOM model object string variables
        coll="all.";
        styleObj=".style";
    }
    else
    {
	    //assume NS or W3C DOM standard compliant - set object string variables
	    coll="getElementById('";
	    styleObj="').style";
    }