I have uploaded the site and get this error message on the home page:

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/content/d/t/e/dtedder/html/index.php on line 55

line 55 of index reads like this:

$totalRows_rsArticles = mysql_num_rows($all_rsArticles);

Any suggestions?

As it says, $all_rsArticles is not a valid result, which means your query failed. Try putting

if (!$all_rsArticles){
    $message  = 'Invalid query: ' . mysql_error() . "\n";
    $message .= 'Whole query: ' . $query;
    die($message);
}

after your query to see what's going on with it.

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