// check for Flash and either offer a choice about download (action='alert'),
// redirect to the download page without a choice (action='require'),
// or just reload with an extra argument (action='reload')
// other behaviors could be added, such as redirecting to an alternate site URL

	function flashDetect(requiredVersion, action) {
	
		installedVersion = getFlashVersion();
		
		if ((installedVersion < requiredVersion) && (installedVersion != -1)) {
			if (document.URL.indexOf('noflash=1') == -1) {
			
				if (action == "alert") {
					alertMessage = "Your Flash plug-in is not new enough to view some portions of our site. Would you like to update your plug-in now?";
					update = confirm(alertMessage);
				} else if (action == "require") {
					alertMessage = "Your Flash plug-in is not new enough to view this page. You can download a newer plug-in from Macromedia.com.";
					alert(alertMessage);
					update = 1;
				} else if (action == "reload") {
					update = 0;
				}
				
				if (update) {
					getFlash();
				} else {
					delimiter = (document.URL.indexOf('?') != -1) ? '&' : '?' ;
					location = document.URL + delimiter + "noflash=1";
				}
			
			}
		}
	}


// set the master location for the Flash download here; this function can be called from any link in your content or template

	function getFlash() {
		location = 'http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash'
	}


// Flash Version Detector  v1.1.1
// http://www.dithered.com/javascript/flash_detect/index.html
// code by Chris Nott (chris@dithered.com)

	var flashVersion = 0;
	var flashVersion_DONTKNOW = -1;
	
	function getFlashVersion() {
		var dontKnow = false;
		
		var agent = navigator.userAgent.toLowerCase(); 
		
		// NS3+ and Opera3+ (support plugin array):  check for Flash plugin in plugin array
		if (navigator.plugins != null && navigator.plugins.length > 0) {
			var flashPlugin = navigator.plugins['Shockwave Flash'];
			if (typeof flashPlugin == 'object') {
				// this part could obviously be written more intelligently...
				if (flashPlugin.description.indexOf(' 10.') != -1) flashVersion = 10;
				else if (flashPlugin.description.indexOf(' 9.') != -1) flashVersion = 9;
				else if (flashPlugin.description.indexOf(' 8.') != -1) flashVersion = 8;
				else if (flashPlugin.description.indexOf(' 7.') != -1) flashVersion = 7;
				else if (flashPlugin.description.indexOf(' 6.') != -1) flashVersion = 6;
				else if (flashPlugin.description.indexOf(' 5.') != -1) flashVersion = 5;
				else if (flashPlugin.description.indexOf(' 4.') != -1) flashVersion = 4;
				else if (flashPlugin.description.indexOf(' 3.') != -1) flashVersion = 3;
			}
		}
	
		// IE4+ on Win32:  attempt to create an ActiveX object using VBScript
		else if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) >= 4 && agent.indexOf("win")!=-1 && agent.indexOf("16bit")==-1) {
			document.write('<scr' + 'ipt language="VBScript"\> \n');
			document.write('on error resume next \n');
			document.write('if IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.10")) then flashVersion = 10 \n');
			document.write('if flashVersion < 10 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.9")) then flashVersion = 9 \n');
			document.write('if flashVersion < 9 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.8")) then flashVersion = 8 \n');
			document.write('if flashVersion < 8 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.7")) then flashVersion = 7 \n');
			document.write('if flashVersion < 7 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.6")) then flashVersion = 6 \n');
			document.write('if flashVersion < 6 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5")) then flashVersion = 5 \n');
			document.write('if flashVersion < 5 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4")) then flashVersion = 4 \n');
			document.write('if flashVersion < 4 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3")) then flashVersion = 3 \n');	
			document.write('</scr' + 'ipt\> \n'); 
		}
			
		// WebTV 2.5 supports flash 3
		else if (agent.indexOf("webtv/2.5") != -1) flashVersion = 3;
	
		// older WebTV supports flash 2
		else if (agent.indexOf("webtv") != -1) flashVersion = 2;
	
		// Can't detect in all other cases
		else {
			flashVersion = flashVersion_DONTKNOW;
			dontKnow = true;
		}
	
		return flashVersion;
	}