/* Started Sunday March 28, 2004 8:56pm by Oliver Merk, Merk Consulting */
/* Revised Sunday March 28, 2004 8:56pm by Oliver Merk */
// Flash Version Detector	v1.2.1
// documentation: http://www.dithered.com/javascript/flash_detect/index.html
// license: http://creativecommons.org/licenses/by/1.0/
// code by Chris Nott (chris[at]dithered[dot]com)
// with VBScript code from Alastair Hamilton (now somewhat modified)

function isDefined(property) {
	return (typeof property != 'undefined');
}

var flashVersion = 0;

function getFlashVersion() {
	var latestFlashVersion = 8;
	 var agent = navigator.userAgent.toLowerCase();

	 // NS3 needs flashVersion to be a local variable
	 if (agent.indexOf("mozilla/3") != -1 && agent.indexOf("msie") == -1) {
			flashVersion = 0;
	 }

	// NS3+, Opera3+, IE5+ Mac (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') {
			for (var i = latestFlashVersion; i >= 3; i--) {
				if (flashPlugin.description.indexOf(i + '.') != -1) {
					flashVersion = i;
					break;
				}
			}
		}
	}

	// IE4+ 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) {
		 var doc = '<scr' + 'ipt language="VBScript"\> \n';
			doc += 'On Error Resume Next \n';
			doc += 'Dim obFlash \n';
			doc += 'For i = ' + latestFlashVersion + ' To 3 Step -1 \n';
			doc += '	 Set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash." & i) \n';
			doc += '	 If IsObject(obFlash) Then \n';
			doc += '			flashVersion = i \n';
			doc += '			Exit For \n';
			doc += '	 End If \n';
			doc += 'Next \n';
			doc += '</scr' + 'ipt\> \n';
			document.write(doc);
	 }

	// 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;
	}

	return flashVersion;
}

flashVersion_DONTKNOW = -1;