load_plugin(plugins, "elev", viewer, prefs, GTK_NOTEBOOK(config));
load_plugin(plugins, "env", viewer, prefs, GTK_NOTEBOOK(config));
//load_plugin(plugins, "map", viewer, prefs, GTK_NOTEBOOK(config));
load_plugin(plugins, "elev", viewer, prefs, GTK_NOTEBOOK(config));
load_plugin(plugins, "env", viewer, prefs, GTK_NOTEBOOK(config));
//load_plugin(plugins, "map", viewer, prefs, GTK_NOTEBOOK(config));