var requiredVersion = 5;                        // version the user needs to view site (max is 5, min is 2)
 
// 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 maxVersion = 6;                                     // 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 not on mac.
 
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
 
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('</SCR' + 'IPT\> \n'); // break up end tag so it doesn't end our script
}
 
if (navigator.plugins){
 
        if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
 
                var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
                var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;
                var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));
 
                flash2Installed = flashVersion == 2
                flash3Installed = flashVersion == 3
                flash4Installed = flashVersion == 4
                flash5Installed = flashVersion == 5
                flash5Installed = flashVersion == 6
        }
}
 
for (var i = 2; i <= maxVersion; i++) {
        if (eval("flash" + i + "Installed") == true) actualVersion = i;
}
 
if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 2;
 
if (actualVersion >= requiredVersion) { useflash = true } else { useflash = false }