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Ext JS has been installed into:

    %%WWWDIR%%

You could add following setting in your httpd.conf :

    %%COMMENTDOCS%%Alias /extjs/docs %%DOCSDIR%%
    %%COMMENTEXAMPLES%%Alias /extjs/examples %%EXAMPLESDIR%%
    Alias /extjs %%WWWDIR%%

    <Location /extjs>
        Order deny,allow
        Allow from all
    </Location>

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