Description:
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variables are not posted,for example, i have list which contains 200 softwares for example, the list shows the first 50, and shows on the bottom of the page [ Next >>> ] which shows the next 50 softwares[ list.php?begin=50 ]

Reproduce code:
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http://fulldls.hostecom.com/TOPs/list.php

for($i=$begin; ($total > $i) && ($max_list_size > $i) && ($i < $begin+50); $i++){
$split = explode("||", $array[$i]);

echo ...

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if ($begin >= 50)
echo "<a href=\"$PHP_SELF?begin=".($begin-50)."\"><< Previous</a> - \n";
if ($begin <= $total-50)
echo "<a href=\"$PHP_SELF?begin=".($begin+50)."\">Next >></a>\n";
echo "<br>";

Expected result:
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shows the next 50 softwares ...

Actual result:
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show the first 50 softwares and doesn't assign a value for the $begin variable.