% Vlozeni obrazku {obrazek}{popisek}{sirka}
\def\figure#1#2#3{\bigskip\vbox{\centerline{\epsfxsize=#3\epsfbox{#1}}\smallskip\centerline{#2}}\bigskip}
+
+% Varianta bez popisku
\def\fig#1#2{\medskip\centerline{\epsfxsize=#2\epsfbox{#1}}\medskip}
+% Dva obrazky vedle sebe s popiskami
+\def\twofigures#1#2#3#4#5#6{\bigskip\centerline{\vbox{\halign{\hfil##\hfil\hskip 4em&\hfil##\hfil\cr
+\epsfxsize=#3\epsfbox{#1}&\epsfxsize=#6\epsfbox{#4}\cr
+\noalign{\smallskip}
+#2\cr}}}\bigskip}
+
% Todo
\def\todo#1{{\bf TODO: \it #1}}