js检测当前浏览器的flash版本

<script>
    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>