latex and czech.sty

[Jana Kasparova <janca@sirrah.troja.mff.cuni.cz>]

I can't process this tex file:
\documentclass{article}
\usepackage{czech}
\pagestyle{empty}
\begin{document}
Hello
\end{document}


This is TeX, Version 3.14159 (Web2C 7.3.1)
(atestace.tex
LaTeX2e <1998/12/01> patch level 1
Babel <v3.6x> and hyphenation patterns for american, french, german, ngerman, n
ohyphenation, loaded.
(/usr/share/texmf/tex/latex/base/article.cls
Document Class: article 1999/01/07 v1.4a Standard LaTeX document class
(/usr/share/texmf/tex/latex/base/size10.clo))
(/usr/share/texmf/tex/generic/babel/czech.sty

! Package babel Error: You have used an old interface to call babel
(babel)                You may expect compatibility problems wit other packages
.

See the babel package documentation for explanation.
Type  H <return>  for immediate help.
 ...

l.54     \bblstyerror

? (/usr/share/texmf/tex/generic/babel/czech.ldf
(/usr/share/texmf/tex/generic/babel/babel.def)

Package babel Warning: No hyphenation patterns were loaded for
(babel)                the language `Czech'
(babel)                I will use the patterns loaded for \language=0 instead.

)) (atestace.aux) [1] (atestace.aux) )
Output written on atestace.dvi (1 page, 208 bytes).
Transcript written on atestace.log.

I've got installed csplain and cslatex.

Jana