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

var flashVersion = 0;
function getFlashVersion() {
var latestFlashVersion = 8;
var agent = navigator.userAgent.toLowerCase();

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;
}
}
}
}


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);
}


else if (agent.indexOf("webtv/2.5") != -1) flashVersion = 3;


else if (agent.indexOf("webtv") != -1) flashVersion = 2;


else {
flashVersion = flashVersion_DONTKNOW;
}

return flashVersion;
}

flashVersion_DONTKNOW = -1;