// 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 exists...
	if (navigator.plugins) {
		// ...then check for flash 2 or flash 3+.
    	if (navigator.plugins["Shockwave Flash 2.0"]
			|| navigator.plugins["Shockwave Flash"]) {

			// Some version of Flash was found. Time to figure out which.
      
			// 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;

			// DEBUGGING: uncomment next line to see the actual description.
			//alert("Flash plugin description: " + flashDescription);
      
			// A flash plugin-description looks like this: Shockwave Flash 4.0 r5
			// We can get the major version by grabbing the character before the period
			var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));
     
			// We found the version, now set appropriate version flags. Make sure
			// to use >= on the highest version so we don't prevent future version
			// users from entering the site.
			flash2Installed = flashVersion == 2;    
			flash3Installed = flashVersion == 3;
			flash4Installed = flashVersion == 4;
			flash5Installed = flashVersion == 5;
			flash6Installed = flashVersion >= 6;
		}
	}
  
	// 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 = 3;  
  
	// DEBUGGING: uncomment next line to display flash version
	//alert("version detected: " + actualVersion);


	// We're finished getting the version on all browsers that support detection.
	// Time to take the appropriate action.

	// If the user has a new enough version...
	if (actualVersion >= requiredVersion) {
		hasRightVersion = true;                
	} else {  
		hasRightVersion = false;
	}
}

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