\makeatletter
\renewcommand\tableofcontents{%
    \if@twocolumn
      \@restonecoltrue\onecolumn
    \else
      \@restonecolfalse
    \fi
    \chapter*{\contentsname
        \@mkboth{%
           \bf \contentsname}{\bf \contentsname}}%
    \@starttoc{toc}%
    \if@restonecol\twocolumn\fi
    }
\renewenvironment{theindex}
               {\if@twocolumn
                  \@restonecolfalse
                \else
                  \@restonecoltrue
                \fi
                \columnseprule \z@
                \columnsep 35\p@
                \twocolumn[\@makeschapterhead{\indexname}]%
                \@mkboth{\bf \indexname}%
                        {\bf \indexname}%
\addcontentsline{toc}{chapter}{\protect\numberline{\indexname}}%
                \thispagestyle{plain}\parindent\z@
                \parskip\z@ \@plus .3\p@\relax
                \let\item\@idxitem}
               {\if@restonecol\onecolumn\else\clearpage\fi}
\renewenvironment{thebibliography}[1]
     {\chapter*{\bibname}%
      \@mkboth{\bf \bibname}{\bf \bibname}%
\addcontentsline{toc}{chapter}{\protect\numberline{References}}%
      \list{\@biblabel{\@arabic\c@enumiv}}%
           {\settowidth\labelwidth{\@biblabel{#1}}%
            \leftmargin\labelwidth
            \advance\leftmargin\labelsep
            \@openbib@code
            \usecounter{enumiv}%
            \let\p@enumiv\@empty
            \renewcommand\theenumiv{\@arabic\c@enumiv}}%
      \sloppy
      \clubpenalty4000
      \@clubpenalty \clubpenalty
      \widowpenalty4000%
      \sfcode`\.\@m}
     {\def\@noitemerr
       {\@latex@warning{Empty `thebibliography' environment}}%
      \endlist}
\makeatother

%\makeatletter
%\renewcommand{\p@subfigure}{}
%\renewcommand{\@thesubfigure}{\thesubfigure:\hskip\subfiglabelskip}
%\makeatother
%\setcounter{lofdepth}{2}

%\makeatletter\renewcommand{\p@subfigure}{}\renewcommand{\@thesubfigure}{\thesubfigure:\hskip\subfiglabelskip}\makeatother

%\setcounter{lofdepth}{2}