static v8::Handle<v8::Value> importStylesheetCallback(const v8::Arguments& args)
{
    XSLTProcessor* imp = V8XSLTProcessor::toNative(args.Holder());
    V8TRYCATCH(Node*, stylesheet, V8Node::HasInstance(MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined)) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined))) : 0);
    imp->importStylesheet(stylesheet);
    return v8Undefined();
}
v8::Handle<v8::Value> V8XSLTProcessor::importStylesheetCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.XSLTProcessor.importStylesheet");
    if (!V8Node::HasInstance(args[0]))
        return v8::Undefined();

    XSLTProcessor* imp = V8XSLTProcessor::toNative(args.Holder());

    Node* node = V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0]));
    imp->importStylesheet(node);
    return v8::Undefined();
}