This is pdfeTeX, Version 3.141592-1.30.4-2.2 (Web2C 7.5.5) (format=pdflatex 2006.5.19)  31 MAY 2006 09:36
entering extended mode
**jur.sty
(./jur.sty
LaTeX2e <2005/12/01>
Babel <v3.8d> and hyphenation patterns for american, british, french, german, d
utch, finnish, spanish, nohyphenation, loaded.

! LaTeX Error: \usepackage before \documentclass.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.3 \usepackage{
                calc}
? 
! Emergency stop.
 ...                                              
                                                  
l.3 \usepackage{
                calc}
\usepackage may only appear in the document preamble, i.e.,
between \documentclass and \begin{document}.

 
Here is how much of TeX's memory you used:
 7 strings out of 95132
 253 string characters out of 1182384
 2045208 words of memory out of 4500000
 3261 multiletter control sequences out of 10000+50000
 3640 words of font info for 14 fonts, out of 2000000 for 2000
 64 hyphenation exceptions out of 5000
 5i,0n,5p,31b,14s stack positions out of 5000i,500n,6000p,200000b,40000s
PDF statistics:
 0 PDF objects out of 300000
 0 named destinations out of 131072
 1 words of extra memory for PDF output out of 10000
No pages of output.