Discuz.Web/silverlight/player/Silverlight.js

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if (!window.Silverlight)
{
    window.Silverlight = { };
}

// Silverlight control instance counter for memory mgt
Silverlight._silverlightCount = 0;
Silverlight.ua = null;
Silverlight.available = false;
Silverlight.fwlinkRoot='http://go.microsoft.com/fwlink/?LinkID=';   

///////////////////////////////////////////////////////////////////////////////
// detectUserAgent Parses UA string and stores relevant data in Silverlight.ua.
///////////////////////////////////////////////////////////////////////////////
Silverlight.detectUserAgent = function()
{
    var ua = window.navigator.userAgent;
    
    Silverlight.ua = {OS:'Unsupported',Browser:'Unsupported'};
    
    //Silverlight does not support pre-Windows NT platforms
    if (ua.indexOf('Windows NT') >= 0) {
        Silverlight.ua.OS = 'Windows';
    }
    else if (ua.indexOf('PPC Mac OS X') >= 0) {
        Silverlight.ua.OS = 'MacPPC';
    }
    else if (ua.indexOf('Intel Mac OS X') >= 0) {
        Silverlight.ua.OS = 'MacIntel';
    }
    
    if ( Silverlight.ua.OS != 'Unsupported' )
    {
        if (ua.indexOf('MSIE') >= 0) {
            if (navigator.userAgent.indexOf('Win64') == -1)
            {
                if (parseInt(ua.split('MSIE')[1]) >= 6) {
                    Silverlight.ua.Browser  = 'MSIE';
                }
                
            }
        }
        else if (ua.indexOf('Firefox') >= 0) {
            var version = ua.split('Firefox/')[1].split('.');
            var major = parseInt(version[0]);
            if (major >= 2) {
                Silverlight.ua.Browser = 'Firefox';
            }
            else {
                var minor = parseInt(version[1]);
                if ((major == 1) && (minor >= 5)) {
                    Silverlight.ua.Browser  = 'Firefox';
                }
            }
        }
        
        else if (ua.indexOf('Safari') >= 0) {
            Silverlight.ua.Browser = 'Safari';
        }            
    }