var useRedirect = true; 				// "true" loads new flash or non-flash page into browser
										// "false" embeds movie or alternate html code into current page

// 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 7 is installed
var flash8Installed = false;		// boolean. true if flash 8 is installed
var flash9Installed = false;		// boolean. true if flash 9 is installed
var flash10Installed = false;		// boolean. true if flash 10 is installed
var maxVersion = 10;					// 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
	
// write vbscript detection if we're on ie win
var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;	// true if we're on ie
var isMac = (navigator.appVersion.indexOf("Mac") != -1) ? true : false; // true if we're on mac
	
if(isIE && !isMac) // don't write vbscript tags on anything but ie win
	{
	document.write('<SCRIPT 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('flash8Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.8"))) \n');
	document.write('flash9Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.9"))) \n');
	document.write('flash10Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.10"))) \n');
	document.write('</SCR' + 'IPT\> \n'); // break up end tag so it doesn't end our script
	}
	
// do our javascript detection if the navigator object is fully supported
if (navigator.plugins)								// does navigator.plugins exist?
	{ 								
	if (navigator.plugins["Shockwave Flash 2.0"] 	// is Flash 2 installed?
	|| navigator.plugins["Shockwave Flash"])		// no? then is flash 3+ installed?
		{
		var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : ""; 				// flash 2 ref.
		var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;	// plugin description
		var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));	// plugin version

		if (flashVersion == 2) flash2Installed = true;	// set appropriate version flag
		if (flashVersion == 3) flash3Installed = true;
		if (flashVersion == 4) flash4Installed = true;
		if (flashVersion == 5) flash5Installed = true;
		if (flashVersion == 6) flash6Installed = true;
		if (flashVersion == 7) flash7Installed = true;
		if (flashVersion == 8) flash8Installed = true;
		if (flashVersion == 9) flash9Installed = true;
		if (flashVersion == 10) flash10Installed = true;
		}
	}
	
function detectFlash(requiredVersion)	{		
	for (var i = 2; i <= maxVersion; i++)	// loop through all versions we're checking
		{
		if (eval("flash" + i + "Installed") == true) actualVersion = i; // set actualVersion to highest detected version
		}
	
	// uncomment next line to display flash version during testing
	// alert("version detected: " + actualVersion);
	
	// finished getting the version, time to take the appropriate action
	if (actualVersion >= requiredVersion) 				// user has a new enough version of flash
		{
		return true;
		}
	else	// user doesn't have a new enough version.
		{
		return false;
		}
}
