Disable Richfaces 4 styles

[fmt]

Hi,

I need to be able to define our own CSS.

Currently when I had my site CSS using h:outputStylesheet, the richfaces styles are defined after mine in the header, and therefore have priority over mine...

I tried to use the following parameters in the web.xml:

    <context-param>
        <param-name>org.richfaces.skin</param-name>
        <param-value>plain</param-value>
    </context-param>
    <context-param>
        <param-name>org.richfaces.baseSkin</param-name>
        <param-value>plain</param-value>
    </context-param>
    <context-param>
        <param-name>org.richfaces.enableControlSkinning</param-name>
        <param-value>false</param-value>
    </context-param>
    <context-param>
        <param-name>org.richfaces.enableControlSkinningClasses</param-name>
        <param-value>false</param-value>
    </context-param>
    <mime-mapping>
        <extension>ecss</extension>
        <mime-type>text/css</mime-type>
    </mime-mapping>
    <context-param>
        <param-name>org.richfaces.LoadScriptStrategy</param-name>
        <param-value>ALL</param-value>
    </context-param>

But the components ECSS are still there (e.g.: /rfRes/Autocomplete.ecss.jsf?db=eAGbfPBrBwAHBQLS&ln=org.richfaces).

How can I force richfaces not to include these ECSS in my pages ?

Thanks in advance,

Regards,

Florian