// set the base version of javascript supported

var javascriptVersion = 1.0;




// if this code is executing, javascript 1.1 is supported

var javascriptVersion = 1.1;


// we know what version of javascript we're dealing with now

// so it's time to start the real script





// #############################################

// these are the user defined globals

// modify the following variables to customize the inspection behaviour



var requiredVersion = 4;			// version the user needs to view site (max is 5, 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 = "flash.htm"	// the location of the flash movie page

var noFlashPage = "static.htm"	// send user here if they don't have the plugin or we can't detect it

var upgradePage = "upgrade.htm"	// 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 maxVersion = 5;					// 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('</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;

		}

	}

	

	// 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(javascriptVersion >= 1.1) {

				window.location.replace(flashPage);	// use replace() so we don't break the back button

			} else {

				window.location = flashPage;		// have to use .location if javascript version is less than 1.1

			}

		}

	} else {	// user doesn't have a new enough version.

	

		if (useRedirect) {		// if the redirection option is on, load the appropriate alternate page

			if(javascriptVersion >= 1.1) {

				window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);

			} else {

				window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;

			}

		}

	}

}





detectFlash();	// call our detector now that it's safely loaded.	

