Counter - Use of Names

[EternalSorrow]

I'm currently working on constructing a "counter page" which will update clicks for a link and reroute the visitor to the appropriate series page, but I've hit a snag.

 

I want to use the series as the identifier for the counter page, and I use the correct link for the series, such as:

 

<a href="counter.php?series='.$series.'">'.$series.'</a>

 

but when the link is clicked I'm sent to an empty counter page.  Apparently the counter php code isn't properly reading the series name and updating the information, but I can't figure out what the problem is because no mysql error message appears.

 

So does anyone know what may be causing the problem in using a name to update the database hit counter and reroute visitors to the appropriate page?

 

Here's the full code for the counter.php page:

 

<?php

mysql_connect(localhost,'name','pw');
@mysql_select_db(db) or die( "Unable to select database");

if(!isset($_GET['series']) || empty($_GET['series']) || !is_numeric($_GET['series'])) {
die(mysql_error());
}
else {
$series=$_GET['series'];

$query=mysql_query("SELECT series, count FROM series WHERE series='$series") or die(mysql_error());
if(mysql_numrows($query) == "0") {
die(mysql_error());
}
else {
while($r=mysql_fetch_array($query)) {
$clicks=$r[count];
$clicks++;

mysql_query("UPDATE series SET count='$clicks' WHERE series='$r[series]'") or die(mysql_error());
header("Location: about.php?series=$r[series]");

}
}
}
?>