function copy_to_clip (text)
{
    if (window.clipboardData) {
        window.clipboardData.setData("Text", text);
    } 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 = text;
        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);
    }
    return false;
}