<SCRIPT LANGUAGE=”JavaScript”>
<!–
function CopyCode(textid){
var _sTxt = document.getElementById(textid).value;

try{
if(window.clipboardData) {
window.clipboardData.setData(“Text”, _sTxt);
alert(‘复制代码成功!’);
} else if(window.netscape) {
netscape.security.PrivilegeManager.enablePrivilege(‘UniversalXPConnect’);
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 = _sTxt;
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(‘复制代码成功!’);
}
}catch(e){}
}

//–>
</SCRIPT>

其中＂textid＂为网元素的ID,唯一不可重复！
本人已经测试无误！