i need to make a form like this:

```
    <form name="input" action="" method="POST">

Code: <input type="text" name="code"><br><br>
<input type="submit"><br>

</form><br><br> 

```

and when i press Submit what to add that "Code" to the following link:
<http://website.com/display_code_info.php?code=>

like when someone types 123456789 in Form Code area Link Like this apear on submit:
<http://website.com/display_code_info.php?code=123456789>

Thank to answers, it worked!

**now how can i open that php page in popup frame in page without showin that address?**