var windowsmedia=new Object(); 

// Set some base values 
windowsmedia.installed=false; 
windowsmedia.version='0.0'; // Internet Explorer-only 

// Check for GeckoActiveXObject and co-inciding Plug-In 
var gkoaxwma=false; 
if (navigator.plugins && navigator.plugins.length) { for (x=0; x<navigator.plugins.length; x++) { if (navigator.plugins[x].name.indexOf('ActiveX') != -1 && window.GeckoActiveXObject) { gkoaxwma=true; break; } } } 

// Create an ActiveX/GeckoActiveX constructor 
function AXO(id) 
{ 
    var error; var control = null; 
    try { 
        if (window.ActiveXObject && navigator.userAgent.indexOf('Win') != -1) control = new ActiveXObject(id); 
        else if (gkoaxwma) control = new GeckoActiveXObject(id); 
    } 
    catch (error) {} 
    return control; 
} 

if (window.ActiveXObject || gkoaxwma) 
{ 
    try 
    { 
        oWMP=new AXO('WMPlayer.OCX.7'); 
        if (oWMP) 
        { 
            windowsmedia.installed=true; 

            // A wierd bug in the Gecko ActiveX plug-in will return 
            // undefined at the first call, but the correct value on the second. 
            // This "fix" doesn't seem to hurt IE at all. 
            parseFloat(oWMP.versionInfo); 

            windowsmedia.version=parseFloat(oWMP.versionInfo); 
            if (windowsmedia.version.toString().length == 1) windowsmedia.version+='.0'; 
        } 
    } 
    catch(e) {} 
} 
else if (navigator.plugins && navigator.plugins.length) 
{ 
    for (x=0; x<navigator.plugins.length; x++) 
    { 
        if (navigator.plugins[x].name.indexOf('Windows Media') != -1) 
        { 
            windowsmedia.installed=true; 
            break; 
        } 
    } 
} 

// Internet Explorer or GeckoActiveXObject-compatible browsers only. 
windowsmedia.ver7=(windowsmedia.installed && parseInt(windowsmedia.version) >= 7) ? true:false; 
windowsmedia.ver8=(windowsmedia.installed && parseInt(windowsmedia.version) >= 8) ? true:false; 
windowsmedia.ver9=(windowsmedia.installed && parseInt(windowsmedia.version) >= 9) ? true:false;