function drawSelectInter($menu)
{
$interval = $_SESSION['MenuInterval'];
$select = $_SESSION['selectedInter'];
$iselect = selectIndex($interval['opt'], $select);
$selected = min($iselect, $interval[$menu]);
for ($i = 0; $i <= $interval[$menu]; $i++) {
$val = $interval['opt'][$i][0];
$txt = tr($interval['opt'][$i][1]);
$sel = '';
if ($i == $selected) {
$sel = "selected='selected'";
}
echo "<option value=" . "'" . $val . "' " . $sel . ">" . $txt . ' </option>' . "\n";
}
}
$_SESSION['datebeg'] = $date0;
$_SESSION['dateend'] = $date1;
}
}
}
}
if (isset($_GET['row'])) {
$row = $_GET['row'];
$date_beg = $_SESSION['date_beg'];
$date_end = $_SESSION['date_end'];
$sel = selectIndex($opt, $interval);
if ($sel < maxIndexMenu('G')) {
$beg = $_SESSION['begdata'];
$dateRow = $beg + $row * $inter;
$interval = $opt[$sel + 1][0];
$sel = selectIndex($opt, $interval);
$inter = $opt[$sel][2];
$tinter = $opt[$sel][1];
$date_beg = $dateRow - 50 * $inter;
$date_end = $dateRow + 50 * $inter;
$date_end = min($date_end, time());
$datebeg = date("d/m/Y", $date_beg);
$dateend = date("d/m/Y", $date_end);
$_SESSION['selectedInter'] = $interval;
$_SESSION['datebeg'] = date("d/m/Y", $date_beg);
$_SESSION['dateend'] = date("d/m/Y", $date_end);
$_SESSION['date_beg'] = $date_beg;
$_SESSION['date_end'] = $date_end;
} else {
$numrows = ($date_end - $date_beg) / $inter;
$rowBeg = max(0, $row - $numrows / 10);