检查flash版本不适用于Mac
Checking the flash version does not works for Mac.
我想检查是否安装了合适的flash版本，如果用户没有，提示他/她这样做。我的代码在Windows平台上运行良好，但在mac上不行。
你能告诉我我应该怎么做来解决这个问题吗?
我的html代码如下:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Cloud.cm - Connect.Collaborate.Share</title>
<meta name="alexaVerifyID" content="1ZfWQK0CZlGJ0cqpEL7Otjh83hU">
<meta name="description" content="Collaboration tools for individuals and global companies alike. Cloud simplifies online file storage, replaces FTP and connects teams in online workspaces.
Cloud brings online collaboration to your documents, music, video, calendar, email and chat in a lightweight easy to use readily available solution.">
<meta name="keywords" content="free online storage, online storage, file sharing, online file storage, share files online, store documents online, online collaboration, collaboration tools, ftp replacement, sharepoint alternative, file storage, mobile data access, share files online, asset management, online workspace, workspace, project management software, online collaboration, document sharing, document management, document editing, music sharing, video sharing, video chat, chat, email, calendar, calendar sharing">
<!-- external style sheet -->
<link href="assets/index_main/css/cloudstyle.css" rel="stylesheet" type="text/css">
<link href="assets/index_main/css/cloudsplash.css" rel="stylesheet" type="text/css">
<!-- non-HTML5 browsers -->
<script>
document.createElement('header');
document.createElement('footer');
document.createElement('section');
document.createElement('aside');
document.createElement('nav');
document.createElement('article');
</script>
<!-- swfobject -->
<script type="text/javascript" src="lib/swfobject/swfobject.js"></script>
<!-- jquery -->
<script type="text/javascript" src="lib/jquery/jquery-1.3.2.js"></script>
<script type="text/javascript">
// we will add our javascript code here
$(document).ready(function(){
var lopen = false;
$('#login').hide();
$("#b_login").click(function(){
if (!lopen) {
$('#login').show();
lopen = true;
} else {
$('#login').hide();
lopen = false;
}
});
$("#login header img#b_close").click(function(){
if (lopen) {
$('#login').hide();
lopen = false;
}
});
});
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
</script>
</head>
<body onLoad="MM_preloadImages('assets/index_main/images/rol_login.jpg','assets/index_main/images/rol_signup.jpg', 'login.swf','assets/index_main/images/rol_close.jpg')">
<!-- HEADER -->
<header>
<nav>
<ul>
<li><img src="assets/index_main/images/btn_login.jpg" alt="Log In" name="b_login" width="204" height="50" id="b_login" onMouseOver="MM_swapImage('b_login','','assets/index_main/images/rol_login.jpg',1)" onMouseOut="MM_swapImgRestore()" style="cursor: pointer;"></li>
<li><a href="signup.html"><img src="assets/index_main/images/btn_signup.jpg" alt="Sign Up" name="b_signup" width="154" height="50" id="b_signup" onMouseOver="MM_swapImage('b_signup','','assets/index_main/images/rol_signup.jpg',1)" onMouseOut="MM_swapImgRestore()"></a></li>
</ul>
</nav>
</header>
<!-- SECTION -->
<section>
<!-- LOG IN -->
<div id="login">
<header>
<img src="assets/index_main/images/hd_login.jpg" alt="Cloud LOG IN" width="98" height="42" align="left">
<img src="assets/index_main/images/btn_close.jpg" alt="Close" name="b_close" width="42" height="42" align="right" id="b_close" onMouseOver="MM_swapImage('b_close','','assets/index_main/images/rol_close.jpg',1)" onMouseOut="MM_swapImgRestore()" style="cursor: pointer;"></header>
<div id="flashlogindiv">
<!-- FLASH Log in Movie -->
<object id="flashlogin" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="420" height="180">
<param name="movie" value="login.swf" />
<!--[if !IE]>-->
<object type="application/x-shockwave-flash" data="login.swf" width="420" height="180">
<!--<![endif]-->
<!--[if gte IE 6]>-->
<p>
Either scripts and active content are not permitted to run or Adobe Flash Player version
10.2.0 or greater is not installed.
</p>
<!--<![endif]-->
<a href="http://www.adobe.com/go/getflashplayer">
<img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash Player" />
</a>
<!--[if !IE]>-->
</object>
<!--<![endif]-->
</object>
</div>
</div>
<img src="assets/index_main/images/logo_cloud_vertical.gif" width="315" height="310" alt="Cloud.CM">
</section>
</body>
</html>
提前感谢Zee
我推荐SWFObject，它符合标准并且非常强大。
检查flash是否存在(或者是否存在特定版本)的方法是:(并适用于IE 7, 8和mac上的Safari + firefox + opera，这是特别针对您的问题)。
var hasFlash = false;
//testing for version 1, change here!
if (swfobject.hasFlashPlayerVersion("1")) {
hasFlash = true;
}
//not present or different version
if (!hasFlash) doSomething;
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