Language accessibility in STATdat. database

STATdat. is accessible in Slovak and English versions. If the user's web browser is set to a language other than Slovak or English, STATdat. database environment and reports will not displayed correctly. See picture below

We have to close the site (table) with the report which displayed incorrectly.
It is necessary to choose one of the available languages ​​- Slovak or English for correct displaying of database environment of STATdat. and reports, see picture below.