Overfør rigtige variabler fra checkbox[]

Flg. opdater den første ledige tid på dag 1 i stedet for den valgte tid. Hvor ligger fejlen.

----klip 1 (uddrag)-----
<form method="POST" action="side2.php" name="minform">
<td align=center style="border: 1px solid #006699;"><?php print $day2; ?> <br>[<?php print $day; ?>]<br>
<table cellspacing="0" cellpadding="2" border="0">
<?for($y=0; $y < 24; $y++) {
$yx=$y+1;?>
<tr><td>
<?
$result = mysql_query("SELECT * FROM tbl_booking where dato = '$day' AND time = '$y'") or die(mysql_error());
$number = mysql_num_rows($result);
if ($number == 0){?>
<div align="center"><? print sprintf("%02d",$y)." - ".sprintf("%02d",$yx);?>
<input name="box[]" type="checkbox" value="1" onclick="document.getElementById('skjulVis_<?php print $day3.$y; ?>').style.display=(this.checked)?'block':'none'"></div>
<div id='skjulVis_<?php print $day3.$y;?>' style="display:none">
<input type="text" name="txt[]" value="">
<input type="hidden" name="day[]" value="<?=$day;?>">
<input type="hidden" name="time[]" value="<?=$y;?>">
<input type="hidden" name="year[]" value="<?=$year;?>">
<input type="hidden" name="week[]" value="<?=$week;?>">

</div>
---slut klip 1----

----klip 2-----

<?php
include ("sql.php");
if (isset($_POST['txt']) && isset($_POST['day']) && isset($_POST['week']) && isset($_POST['year']) && isset($_POST['time']) && isset($_POST['box'])){

for($c=0; $c < count($_POST['box']); $c++) {
    if ($_POST['box'][$c] != "") {
        $tmp_box = $_POST['box'][$c];
        $tmp_txt = $_POST['txt'][$c];
        $tmp_year = $_POST['year'][$c];
        $tmp_day = $_POST['day'][$c];
        $tmp_week = $_POST['week'][$c];
        $tmp_time = $_POST['time'][$c];
           
    $check = mysql_query("SELECT * from tbl_booking where year like '$tmp_year' AND week LIKE '$tmp_week' AND time LIKE '$tmp_time' AND dato LIKE '$tmp_day'") or die(mysql_error());
    $number_check = mysql_num_rows($check);
    if (!$number_check){
$resultat = mysql_query("INSERT INTO tbl_booking (year, week, dato, time, bruger_id, txt) VALUES ('$tmp_year','$tmp_week','$tmp_day','$tmp_time','1','$tmp_txt')") or die(mysql_error());

echo "<br>Din booking er registreret.<br>";

print "Tekst:".$tmp_txt."<br>";
print "Uge:".$tmp_week."<br>";
print "Dag:".$tmp_day."<br>";
print "År:".$tmp_year."<br>";
print "Tid:". sprintf("%02d",$tmp_time)." - ".sprintf("%02d",$tmp_time+1);
}
}
}
}?>
----slut klip 2----

Der er jo nok noget galt i checkboxens værdi, men jeg kan ikke finde det. Hjælp ønskes.

Levende eksempel kan ses på www.totte.dk/ht/uge6.php