<script type="text/javascript">
function copyCode(id){
var testCode=document.getElementById(id).value;
if(copy2Clipboard(testCode)!=false){
alert(" The generated code has been copied to the clipboard and you can use it Ctrl+V  Post it where you need it!  ");
}
}
copy2Clipboard=function(txt){
if(window.clipboardData){
window.clipboardData.clearData();
window.clipboardData.setData("Text",txt);
}
else if(navigator.userAgent.indexOf("Opera")!=-1){
window.location=txt;
}
else if(window.netscape){
try{
   netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
}
catch(e){
   alert(" your firefox Security restrictions limit your clipboard operation. Open 'about:config' will
signed.applets.codebase_principal_support' Set to true' Then try again. The relative path is zero firefox Root orders,
 record /greprefs/all.js");
   return false;
}
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=txt;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);
}
}
</script>
<div>
[<input name="" type="button" value=" copy " onclick="copyCode('txtTestCode1')" />]
<br>
<textarea rows=2 id="txtTestCode1" style="width:500px;font-family: Verdana, Arial;font-
size:12px;height:55px;border:1px solid #999999;"> Duplicate content 1</textarea>
</div>