var requiredVersion = 6;     // version the user needs to view site (max is 6, min is 2)
var useRedirect     = false; // "true" loads new flash or non-flash page into browser
                             // "false" embeds movie or alternate html code into current page

// set next three vars if useRedirect is true...
//var flashPage   = "" // the location of the flash movie page
//var noFlashPage = "" // send user here if they don't have the plugin or we can't detect it
//var upgradePage = "" // send user here if we detect an old plugin

// #############################################
// *************
// everything below this point is internal until after the body tag
// do not modify! 
// *************

// system globals
var flash2Installed = false; // boolean. true if flash 2 is installed
var flash3Installed = false; // boolean. true if flash 3 is installed
var flash4Installed = false; // boolean. true if flash 4 is installed
var flash5Installed = false; // boolean. true if flash 5 is installed
var flash6Installed = false; // boolean. true if flash 6 is installed
var flash7Installed = false; // boolean. true if flash 6 is installed
var maxVersion      = 7;     // highest version we can actually detect
var actualVersion   = 0;     // version the user really has
var hasRightVersion = false; // boolean. true if it's safe to embed the flash movie in the page
var jsVersion       = 1.0;   // the version of javascript supported

// check the browser...we're looking for ie/win
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;     // true if we're on ie
var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false;  // true if we're on windows

// this is a js1.1 code block, so make note that js1.1 is supported.
jsVersion = 1.1;

// write vbscript detection if we're not on mac.
if(isIE && isWin){                     // don't write vbscript tags on anything but ie win
	document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
	document.write('on error resume next \n');
	document.write('flash2Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.2"))) \n');
	document.write('flash3Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3"))) \n');
	document.write('flash4Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) \n');
	document.write('flash5Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5"))) \n');
	document.write('flash6Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.6"))) \n');
	document.write('flash7Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.7"))) \n');
	document.write('</SCR' + 'IPT\> \n'); // break up end tag so it doesn't end our script
}

// next comes the standard javascript detection that uses the navigator.plugins array
// we pack the detector into a function so it loads before we run it
function detectFlash(){
	if (navigator.plugins){                         // does navigator.plugins exist?
		if (navigator.plugins["Shockwave Flash 2.0"]   // yes>> then is Flash 2
		|| navigator.plugins["Shockwave Flash"]){      // or flash 3+ installed?
			// set convenient references to flash 2 and the plugin description
			var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;
			// a flash plugin-description looks like this: Shockwave Flash 4.0 r5
			// so we can get the major version by grabbing the character before the period
			// note that we don't bother with minor version detection. do that in your movie with $version
			var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));
			// we know the version, now set appropriate version flags
			flash2Installed = flashVersion == 2;  
			flash3Installed = flashVersion == 3;
			flash4Installed = flashVersion == 4;
			flash5Installed = flashVersion == 5;
			flash6Installed = flashVersion == 6;
			flash7Installed = flashVersion == 7;
		}
	}

	// loop through all versions we're checking, and set actualVersion to highest detected version
	for (var i = 2; i <= maxVersion; i++) {
		if (eval("flash" + i + "Installed") == true) actualVersion = i;
	}
	// if we're on webtv, the version supported is 2 (pre-summer2000, or 3, post-summer2000)
	// note that we don't bother sniffing varieties of webtv. you could if you were sadistic...
	if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 2;

	// uncomment next line to display flash version during testing
	// alert("version detected: " + actualVersion);
	// we're finished getting the version. time to take the appropriate action
	if (actualVersion >= requiredVersion) {   // user has a new enough version
		hasRightVersion = true;                  // flag: it's okay to write out the object/embed tags later
		if (useRedirect) {                       // if the redirection option is on, load the flash page
			if(jsVersion > 1.0) {                   // need javascript1.1 to do location.replace
				window.location.replace(flashPage);    // use replace() so we don't break the back button
			} else {
				window.location = flashPage;           // otherwise, use .location
			}
		}
	} else {                                  // user doesn't have a new enough version.
		hasRightVersion = false;
		if (useRedirect) {                       // if the redirection option is on, load the appropriate alternate page
			if(jsVersion > 1.0) {                   // need javascript1.1 to do location.replace
				window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
			} else {
				window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
			}
		}
	}
	return hasRightVersion
}