Example for ifpdf:

\documentclass[a4paper,12pt]{article}

\usepackage{ifpdf}

\usepackage[T1]{fontenc}

\usepackage{graphicx}

\ifpdf

\usepackage[colorlinks,linkcolor=black,urlcolor=blue,%

pdftitle={ansökan},bookmarks=false]{hyperref}

\fi

\begin{document}

...

\end{document}