Kakkanapa

Since author gave an extremely vague answer, here goes:
Like said in the URL above, you have to edit the wp-config.php
for example: define (‘WPLANG’, ‘fi’);

Now this isn’t actually enough, since no one is using the old method (and it actually isn’t working for core wp anymore). You’ll have to rename the language file also.
Wordpress is now looking for file “wpsc-support-tickets-fi.mo” and they’re named using the old method like “wpsc-support-tickets-fi_FI.mo”.
Remove the last “_XX” from the file name and you should be fine.

Hi.
I don’t know if you have solved this already or not (or which version of deep silent are you using)…but here’s a solution for 1.8 version:
file you are looking for is script.js, you can find this in deep silent theme files.
line 58: var lastlis = clearlis.slice(6);
change the number (6) for whatever pleases you…7 in this case.