very strange fact with Apache

[maxpico]

I have a strange problem with Apache/1.3.26 and Mac OS X Server 10.1.4
If I use the apachectl command in the Terminal Darwin says that Apache is not running. When I open Process Viewer I see an httpd process with pid 556.
Also the strange fact is that if I type localhost in the browser I have access at the main normal dir with the homepage (/Library/WebServer/Documents) but If I type my domain or my ip address I have access to a subdirectory /Library/WebServer/Documents/chat).
I have excluded the httpd_macosxserver.conf and I've setted up three virtual hosts in httpd.conf... This is one of them

<VirtualHost myipaddress:80>
ServerName www.mydomain.com
ServerAdmin me@mydomain.com
DocumentRoot "/Library/WebServer/Documents"
DirectoryIndex index.shtml
CustomLog "/private/var/log/httpd/access_log" combined
ErrorLog "/private/var/log/httpd/error_log"
<Directory "/Library/WebServer/Documents">
Options All +MultiViews +ExecCGI +Includes -Indexes
AllowOverride All
</Directory>
</VirtualHost>


Please HELP!
Thanks