div.PanelCheckAvailabilityQuick  div.InputSubmit span.Submit {
    background: transparent url('PanelCheckAvailabilityQuick/bgCheck_fr_FR.png') 100% 0 no-repeat;
}

* html div.PanelCheckAvailabilityQuick  div.InputSubmit span.Submit {
    background: transparent url('PanelCheckAvailabilityQuick/bgCheck-ie6_fr_FR.png') 100% 0 no-repeat;
}