<script type="text/javascript" language="JavaScript">

    //Powered By smvv @hi.baidu.com/smvv21

    function flashChecker() {

        var hasFlash = 0;         //是否安装了flash

        var flashVersion = 0; //flash版本

        var isIE = /*@cc_on!@*/0;      //是否IE浏览器  

        if (isIE) {

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

            if (swf) {

                hasFlash = 1;

                VSwf = swf.GetVariable("$version");

                flashVersion = parseInt(VSwf.split(" ")[1].split(",")[0]);

            }

        } else {

            if (navigator.plugins && navigator.plugins.length > 0) {

                var swf = navigator.plugins["Shockwave Flash"];

                if (swf) {

                    hasFlash = 1;

                    var words = swf.description.split(" ");

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

                        if (isNaN(parseInt(words[i]))) continue;

                        flashVersion = parseInt(words[i]);

                    }

                }

            }

        }

        return { f: hasFlash, v: flashVersion };

    }  

    var fls = flashChecker();

    var s = "";

    if (fls.f) document.write("您安装了flash,当前flash版本为: " + fls.v + ".x");

    else document.write("您没有安装flash");

</script>