<script type="text/javascript" language="javascript">         //复制到剪切板js代码         function copyToClipBoard(s) {             //alert(s);             if (window.clipboardData) {                 window.clipboardData.setData("Text", s);                 alert("已经复制到剪切板！"+ "\n" + s);             } else if (navigator.userAgent.indexOf("Opera") != -1) {                 window.location = s;             } else if (window.netscape) {                 try {                     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");                 } catch (e) {                     alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");                 }                 var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);                 if (!clip)                     return;                 var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);                 if (!trans)                     return;                 trans.addDataFlavor('text/unicode');                 var str = new Object();                 var len = new Object();                 var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);                 var copytext = s;                 str.data = copytext;                 trans.setTransferData("text/unicode", str, copytext.length * 2);                 var clipid = Components.interfaces.nsIClipboard;                 if (!clip)                     return false;                 clip.setData(trans, null, clipid.kGlobalClipboard);                 alert("已经复制到剪切板！" + "\n" + s)             }         }</script>