<?php
$URL="http://www.panticz.de/sites/default/files/magento/back-button/styles.css";

echo $URL;
echo "<div><pre>";
</pre></div>

$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);

echo htmlspecialchars(curl_exec($c));

curl_close($c);

echo "";

$URL="http://www.panticz.de/sites/default/files/magento/back-button/back-button.view.phtml";

echo $URL;
echo "<div><pre>";
</pre></div>

$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);

echo htmlspecialchars(curl_exec($c));

curl_close($c);

echo "";

?>

mkdir -p ./app/design/frontend/default/default/template/catalogsearch/
cp ./app/design/frontend/base/default/template/catalogsearch/result.phtml ./app/design/frontend/default/default/template/catalogsearch/result.phtml

<?php
$URL="http://www.panticz.de/sites/default/files/magento/back-button/result.phtml.diff";

echo $URL;
echo "<div><pre>";
</pre></div>

$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);

echo htmlspecialchars(curl_exec($c));

curl_close($c);

echo "";

?>

mkdir -p ./app/design/frontend/default/default/template/page/
cp ./app/design/frontend/base/default/template/page/1column.phtml ./app/design/frontend/default/default/template/page/

<?php
$URL="http://www.panticz.de/sites/default/files/magento/back-button/1column.phtml.diff";

echo $URL;
echo "<div><pre>";
</pre></div>

$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);

echo htmlspecialchars(curl_exec($c));

curl_close($c);

echo "";

?>

Links
http://www.mxperts.de/zuruck-button-fur-die-produktansicht/