return webNav->LoadURI(NS_ConvertASCIItoUCS2(url).GetUnicode(), nsIWebNavigation::LOAD_FLAGS_NONE);
return webNav->LoadURI(NS_ConvertASCIItoUCS2(url).get(), nsIWebNavigation::LOAD_FLAGS_NONE);
nsresult OpenWebPage(char* url){    nsresult                      rv;    nsCOMPtr<nsIWebBrowserChrome> chrome;    rv = CreateBrowserWindow(nsIWebBrowserChrome::CHROME_ALL, nsnull,                             getter_AddRefs(chrome));    if (NS_SUCCEEDED(rv)) {      // Start loading a page      nsCOMPtr<nsIWebBrowser> newBrowser;      chrome->GetWebBrowser(getter_AddRefs(newBrowser));      nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(newBrowser));      return webNav->LoadURI(NS_ConvertASCIItoUCS2(url).GetUnicode(), nsIWebNavigation::LOAD_FLAGS_NONE);    }    return rv;}   