/**
 * Browser Sniffing
 */
 
 function its() {
	var n = navigator;
	var ua = ' ' + n.userAgent.toLowerCase();
	var pl = n.platform.toLowerCase(); 
	var an = n.appName.toLowerCase();

	this.version = n.appVersion;
    this.nn = ua.indexOf('mozilla') > 0;

	if(ua.indexOf('compatible') > 0) {
		this.nn = false;
	}

	this.opera = ua.indexOf('opera') > 0;
	this.webtv = ua.indexOf('webtv') > 0;
	this.ie = ua.indexOf('msie') > 0;
	this.aol = ua.indexOf('aol') > 0;
	
	this.major = parseInt( this.version );
	this.minor = parseFloat( this.version );
	
	this.mac = ua.indexOf('mac') > 0;
	this.mac68k = (ua.indexOf('68k') > 0 || ua.indexOf('68000') > 0);
	this.macppc = (ua.indexOf('ppc') > 0 || ua.indexOf('powerpc') > 0);
	this.win = ua.indexOf('win') > 0;
	this.win16 = (ua.indexOf('16') > 0 && ua.indexOf('win') > 0);
	this.win31 = this.win16;
	this.win95 = (ua.indexOf('95') > 0 && ua.indexOf('win') > 0);
	this.win98 = (ua.indexOf('98') > 0 && ua.indexOf('win') > 0);
	this.winnt = (ua.indexOf('nt') > 0 && ua.indexOf('win') > 0);
	this.os2 = ua.indexOf('os/2') > 0;
	this.unix = ua.indexOf("x11") > 0;

	// workarounds
	// - IE5/Mac reports itself as version 4.0
	if(this.ie && this.mac) {
		if(ua.indexOf("msie 5")) {
			this.major = 5;
			var actual_index = ua.indexOf("msie 5");
			var actual_major = ua.substring(actual_index + 5, actual_index + 8);
			this.minor = parseFloat(actual_major);
		}
	}

	return this;
}

var its = new its()

/**
 * Flash Detection
 */

function detectFlash() {
	var vNum = 0
	var isFlash = false
	if (its.ie && its.win) {  // vbscript-based detection (BUG: need to add the scriptEngineVersion check)
		with (document) {
			writeln('<script type="text/vbscript" language="VBScript">')
			writeln('	Function vb_detectFlash()')
			writeln('		On Error Resume Next')
			writeln('		Dim vNum, i, theObject')
			writeln('		vNum = 0')
			writeln('		For i = 2 To 7 ')
			writeln('			Set theObject = CreateObject("ShockwaveFlash.ShockwaveFlash." & i)')
			writeln('			If IsObject(theObject) Then')
			writeln('				vNum = i')
			writeln('			End If')
			writeln('			theObject = null')
			writeln('		Next')
			writeln('		vb_detectFlash = vNum')
			writeln('	End Function')
			writeln('<\/scr', 'ipt>')
		}
		vNum = vb_detectFlash()
		isFlash = (vNum > 0)
	}
	else if (its.webtv) {
		isFlash = true // all versions of webtv can play flash
		vNum = 2 // some versions support Flash3 - need more info
	} else {
		if (navigator.plugins) { // all others navigator.plugins based detection
			for (var i = 0; i < navigator.plugins.length; i++) {
				var thePlugin = navigator.plugins[i]
				var name = thePlugin.name
				var desc = thePlugin.description
				if (name.indexOf('Shockwave Flash') != -1) { // flash is installed
					// check mimeTypes to see if it has been disabled (some browsers can disable plugin rendering)
					for (var j = 0; j < thePlugin.length; j++) {
						if ( (thePlugin[j].type == 'application/x-shockwave-flash') && (thePlugin[j].enabledPlugin != null) ) {
							isFlash = true
						}
					}
					if (isFlash) { // parse version info
						if (name == 'Shockwave Flash 2.0') vNum = 2
						else vNum = parseInt(desc.charAt(desc.indexOf('.')-1))
					}
				}
			}
		}
	}
	// copy values into 'its' browser detect variable
	its.flash = isFlash
	its.flashVersion = vNum
}

detectFlash()

function openVideo(link){
	if ( !(its.flash && its.flashVersion > 5) ) {
		var A = link.href.split('=');
		var v = A[1];
		window.location.href = 'text.html#' + v;
	}
	else {
		window.open(link.href, link.target, 'width=480,height=260');
	}	
}