Парсер программы ТВ. как сделать?

http://www.vida.ru/blob/Channel/logo/

alt="

"

<table

</table

<b>

</b>

style="color:black; text-decoration: underline">

for ($channel = strpos($text, 'http://www.vida.ru/blob/Channel/logo/'); $channel !== FALSE; $channel = strpos($text, 'http://www.vida.ru/blob/Channel/logo/', $channel+1))
{
$nameStart = strpos($text, 'alt="', $channel)+5;
$name = addSlashes(substr($text, $nameStart, strpos($text, '"', $nameStart)-$nameStart));

$result = mysql_query("SELECT `id` FROM `channels` WHERE `name`= '$name' LIMIT 1");
if (mysql_num_rows($result) == 0)
continue;
else
$id = mysql_result($result, 0);

$programBegin = strpos($text, '<table', $channe+1);
$programEnd = strpos($text, '</table', $programBegin);

for ($timeBegin = strpos($text, '<b>', $programBegin); $timeBegin && $timeBegin < $programEnd; $timeBegin = strpos($text, '<b>', $timeBegin+1))
{
$timeEnd = strpos($text, '</b>', $timeBegin);
$time = addSlashes(substr($text, $timeBegin+3, $timeEnd-$timeBegin-3));

$entryBegin = strpos($text, 'underline">', $timeEnd)+11;
$entry = addSlashes(substr($text, $entryBegin, strpos($text, '\n', $entryBegin)-$entryBegin));

mysql_query("INSERT INTO `programs` (`id`, `channel`, `date`, `time`, `name`) VALUES (NULL, $id, $date, '$time', '$entry')");
}
}