#!/usr/bin/perl
require "common.pl";
%aRequestMap = common::HTTP_getRequest();
# get new picture
$sCurrPic = $aRequestMap{ "CurrPic" };
@aPictureArray = common::File_read( "picture.txt" );
$nPictureArrayLen = @aPictureArray;
# check if + or - was pressed
if( $aRequestMap{ "Auswahl" } eq "+" )
{
$sCurrPic = abs( $sCurrPic ) + 1;
}
if( $aRequestMap{ "Auswahl" } eq "-" )
{
$sCurrPic = abs( $sCurrPic ) - 1;
}
# save picture name
if( (abs( $sCurrPic ) > 0) && ( abs( $sCurrPic ) < ( $nPictureArrayLen ) ) )
{
open( F_CURRPIC, ">currpic.txt");
print F_CURRPIC abs( $sCurrPic );
close( F_CURRPIC );
}
# return to edit page
print "Content-type: text/html\n\n";
print "\n\n";
print "";
print "savepic.pl";
print "\n";
print "\n";
print "\n";
print "\n";
%>