Password Protected...

How can you make a page (or several pages) protected with a password or with different usernames and passwords, using query strings? please give me some helpful scripts or names of programs. On the section of password protection i really *BLEEP* . I always use a script that does "name".htm, but it sux so ...

you have to build a dimanic site... how?... i think thqat the best way is writing php...i used to write this simple script for some pages...<?phpif (($username == $user) OR ($username == $user_res)) { if (($password == $pass) OR ($password == $pass_res)) {echo "<h2> Loading page...</h2>";}}?>where $user and $user_res are html textbox named user and user_res$pass and $pass_res are html passwords textbox named pass and pass_resit means that if you pass Username and Password you will se Loading page message but if your Username or Password are incorrecto... you only will see a white page... bye