function detectUnityWebPlayer () {
    var tInstalled = false;
    if (navigator.appVersion.indexOf("MSIE") != -1 &&
        navigator.appVersion.toLowerCase().indexOf("win") != -1)
    {
        tInstalled = detectUnityWebPlayerActiveX();
    }
    else if (navigator.mimeTypes && navigator.mimeTypes["application/vnd.unity"])
    {
        if (navigator.mimeTypes["application/vnd.unity"].enabledPlugin &&
            navigator.plugins && navigator.plugins["Unity Player"])
        {
            tInstalled = true;	
        }
    }	
    return tInstalled;	
}