At first I've to say that I'm a LaTeX newbie at all (at the moment

My problem:
A friend of mine gave me this template:
Code: Select all
Code, edit and compile here:
\documentclass[a4paper, 12pt, parskip]{scrartcl}%Deutsche Einstellungen, Definition\usepackage[ngerman]{babel}\usepackage[latin1]{inputenc}%Geometrien und Bilder\usepackage[metapost]{mfpic}\usepackage{wrapfig}\usepackage{subfig}\usepackage{graphicx}\usepackage{listings}\usepackage{epstopdf}\usepackage{float}%Anderes\usepackage{makeidx} %index\usepackage[square]{natbib} %Bibliothek\usepackage[inner=3cm,outer=2.5cm,top=2.5cm,bottom=2.5cm,includeheadfoot]{geometry}\usepackage{fancybox}\usepackage{fancyhdr}\usepackage{longtable}\usepackage{hyperref}\makeindex%Kopfzeile, ect.\pagestyle{fancy}%==============================================================\begin{document}\parindent = 0pt%Titelblatt\include{titelblatt}\tableofcontents\chapter{}\pagestyle{fancy}%Seitennummerierung\pagenumbering{arabic}%=====================%Alle Dateien \INCLUDE
Additionally I'm wondering why the references in the text are bounded with a red border.
Can anyone pleas help me?
thank you very much.
felix