\LoadClassWithOptions{report}
% report, book, memoir, scrreprt or scrbook ?
+% Fix the page number reset done by abstract by redefining it
+\def\nocount#1#2{}
+\let\stdsetcounter\setcounter
+\let\stdabstract=\abstract
+\let\endstdabstract=\endabstract
+\renewenvironment{abstract}{%
+ \let\setcounter\nocount%
+ \begin{stdabstract}%
+ \noindent%
+ \setlength\parskip{\medskipamount}%
+ \setlength\parindent{0pt}%
+}{
+ \end{stdabstract}
+ \let\setcounter\stdsetcounter
+}
+
% Put the index in the TOC
\makeatletter
\let\stdindex=\theindex