\documentclass[a4paper,11pt]{article}
\usepackage{ulem}
\usepackage{a4wide}
\usepackage[dvipsnames,svgnames]{xcolor}
\usepackage[pdftex]{graphicx}

\usepackage{hyperref}
% commands generated by html2latex


\begin{document}\hypertarget{My_First_Page}{}

\section{My First Page}\hypertarget{Heading2}{}

\subsection{Heading2}\hypertarget{Heading3}{}

\subsubsection{Heading3}

\end{document}