help with connection to mysql for aguestboook

i have a problem with connecting to mySQL to use Advanced Guestbook. it says as follows:

Notice: mysql_create_db(): This function is deprecated, please use mysql_query() to issue a SQL CREATE DATABASE statement instead. in D:\Program Files\KeyFocus\KFWS\htdocs\serba\aguestbook\install.php on line 243

Notice: Undefined variable: db in D:\Program Files\KeyFocus\KFWS\htdocs\serba\aguestbook\install.php on line 243
Cannot create new database:
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MySQL Error : Cannot create new database:
Error Number: 1102 Incorrect database name ''
Date : Sun, December 28, 2003 09:53:51
IP : 202.156.51.39
Browser : Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)
Referer : http://202.156.51.39:8000/serba/aguestbook/install.php
PHP Version : 4.3.4
OS : WINNT
Server : KFWebServer/2.5.0 Windows XP
Server Name : 202.156.51.39

i have my own web server runing in my computer. so is a different case with most other users. and propbably i didnt setup mysql properly. Plus, how do i add databases into mysql?

additional error occured. i dont have a database created in mysql. how do i create thata and stuuf. i m runing mySQL in windows.