JS: check if flash plugin installed

var hasFlash = false;

try {

  var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');

  if(fo) hasFlash = true;

}catch(e){

  if(navigator.mimeTypes ["application/x-shockwave-flash"] != undefined) hasFlash = true;

}

swfobject.getFlashPlayerVersion()

        var flash = 0;

    var pluginList = ["", ".3", ".4", ".5", ".6", ".7"]

    if (window.ActiveXObject) {

        for (i = 0; i < pluginList.length; i++) {

            try {

                new ActiveXObject("ShockwaveFlash.ShockwaveFlash" + pluginList[i]);

                flash = 1;

            } catch (e) {}

        }

    } else {

        if (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"] ) {

            var plugin = navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin;

            if (plugin && parseInt(plugin.description.match(/\d+/)[0]))

                flash = 1;

        }

    }