PHP remote login to mysql db: “cannot select db”

[michelone]

\[code\]<?phperror_reporting(E_ALL);ini_set('display_errors', '1');$host="host.org"; // Host name $username="myServer_guest"; // Mysql username $password="password"; // Mysql password $db_name="myServer_JMblog"; // Database name $tbl_name="blog"; // Table name// Connect to server and select databse.$link=mysql_connect("$host", "$username", "$password")or die("cannot connect"); echo $link.'<br>';mysql_select_db("$db_name")or die("cannot select DB");?>\[/code\]I am getting a successful connection, but now I cannot select the db. All login credentials are correct. Any help would be amazing.