Something

#!/bin/bash
function download {
		echo " "
		echo "Downloading... Please wait!"
		echo " "
		wget http://digital.inform.hu/Repository/SZFU/2008/$month/$day/SZFU.pdf -O $month-$day-SZFU.pdf
#		> /dev/null 2> /dev/null
		if [ $? == 1 ]; then #if6
			echo "An error occured while downloading the newspaper"
			echo " "
	           else	mkdir -p ~/Documents/Szatmari\ Friss\ Ujsag/ > /dev/null 2> /dev/null
			mv $month-$day-SZFU.pdf ~/Documents/Szatmari\ Friss\ Ujsag/$month-$day.pdf
			echo "The newspaper was successful downloaded in: '$HOME/Documents/Szatmari Friss Ujsag/'"
			echo " "
		fi #if6

}
read -p "Do you want to download today's newspaper? (yes/no) " mai
if [ $mai == yes ] || [ $mai == no ]; then #if1
	if [ $mai == yes ]; then #if2
		sun="`date | awk '{print $1}'`"
		if [ $sun == Sun ]; then #if3
			read -p "Today it's Sunday! -- NO newspaper today, shall I download the yesterday's? (yes/no) " kelle
			if [ $kelle == yes ] || [ $kelle == no ]; then #if4
				if [ $kelle == yes ]; then #if5
					day="`date | awk '{ print $3 -1 }'`"
					else
						echo "OK -- I'll not download!"
					exit
				fi #if5
			 else
			  echo "Wrong answer!"
			  exit
			fi #if4
		else
 		  day="`date | awk '{ print $3 }'`"
		fi #if3
		month="`date '+ %m' | awk '{ print $1 }'`"
download
	else
		read -p "Month?: (e.g january = 01): " month
		if [[ $month == [0-1][0-9]  &&  $month > "00" && $month < "13" ]]; then #if7
				read -p "Day (e.g the 1st = 01): " nap
					if [[ $day == [0-3][0-9] && $day > "00" && $day < "32" ]]; then #if8
download
			  else
					echo "Wrong Day!"
					exit
				 fi #if8
		  else
			echo "Wrong Month!"
		fi #if7
	fi #if2
fi #if