var flash5Installed = false;	// flags whether flash 5 is installed
var flash6Installed = false;	// flags whether flash 6 is installed

// 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

// write vbscript detection if we're not on mac.
if(isIE && isWin)
{
	document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
	document.write('on error resume next \n');
	document.write('flash5Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.7"))) \n');	
	document.write('flash6Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.8"))) \n');
	document.write('</SCR' + 'IPT\> \n'); // break up end tag so it doesn't end our script
}

function detectFlash()
{

	if (navigator.plugins)	// does navigator.plugins exist?
	{								
		if(navigator.plugins["Shockwave Flash"])	// 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
			flash5Installed = flashVersion >= 5;
		}
	}
	
	if(!flash5Installed && !flash6Installed) return false;

	return true;

}