To start with of course welcome!:
DO not give away whether the password or the username is incorrect. Just report: The login was incorrect/ Otherwise you are helping potential hackers.
Add: or die(mysql_error()); after you run the mysql_query.
Add, directly after else {
echo "else statement";
add, directly after: while ($fetch_info = mysql_fetch_array($get_user_info)) {
echo "while statement";
This will help you debugging, and tell you where the script passes.
Tell us what the script generates for you.
J.
