$bottom = '<input type="button" value="'.getMsg('BUT_TEXT_BACK').'" onClick="document.location=\'/restore.php?Step=1&lang='.LANG.'\'"> ';
if ((file_exists($f = $_SERVER['DOCUMENT_ROOT'].'/'.$arc_name)) && $tar->openRead($f))
{
$DataSize = intval($_REQUEST['DataSize']);
if(!isset($_REQUEST['Block'])) // first step
{
$DataSize = $tar->getArchiveSize();
while(file_exists($file = $tar->getNextName($file)))
$DataSize += $tar->getArchiveSize($file);
SetCurrentProgress(0);
$r = true;
}
else
{
$Block = intval($_REQUEST['Block']);
$tar->Skip($Block);
while(($r = $tar->extractFile()) && haveTime());
}
if($r === false) // Error
showMsg(getMsg("ERR_EXTRACT", LANG), implode('<br>',$tar->err), $bottom);
elseif ($r === 0) // Finish
$bSelectDumpStep = true;
else
{
SetCurrentProgress(($tar->BlockHeader + $tar->ReadBlockCurrent) * 512,$DataSize, $red=false);
$text = $status .
'<input type="hidden" name="Block" value="'.$tar->BlockHeader.'">'.
'<input type="hidden" name="ReadBlockCurrent" value="'.$tar->ReadBlockCurrent.'">'.
