Designer for Google Gadges

[Coolzero]

Hallo, ich wollte das opengenannte Programm starten und bekomme dann immer die Fehlermeldung das

js-scripte-runtime fehlt

und in der Konsole steht folgendes

ggl-gtk
Failed to find proper Gecko Runtime Environment!
gtk_flash_element.cc:66: Finalize gtk_flash_element extension.
browser_element.cc:71: Finalize gtkmoz_browser_element extension.
google_gadget_manager_init.cc:32: Finalize google_gadget_manager extension.
analytics_usage_collector.cc:254: Finalize analytics_usage_collector extension.
linux_system_framework.cc:125: Finalize linux_system_framework extension.
gst_audio_framework.cc:480: Finalize gst_audio_framework extension.
gtk_system_framework.cc:344: Finalize gtk_system_framework extension.
gst_video_element.cc:47: Finalize gst_video_element extension.
gtk_edit_element.cc:42: Finalize gtk_edit_element extension.
dbus_script_class.cc:65: Finalize dbus_script_class extension.
default_options.cc:487: Finalize default_options extension.
libxml2_xml_parser.cc:866: Finalize libxml2_xml_parser extension.
default_framework.cc:413: Finalize default_framework extension.
soup_xml_http_request.cc:1160: Finalize soup_xml_http_request extension.

wo finde ich die js-script-runtime