Description:
------------
Autocompleting ignores "Enter" key.
http://us3.php.net/search.php




Reproduce code:
---------------
First way
=========
1.) http://us3.php.net/search.php
2.) Enter "strpos" in the "search for" input box
3.) Hit "enter".

--> Nothing happens.

Second way
==========
1.) http://us3.php.net/search.php
2.) Enter "strp" in the "search for" input box
3.) Carefully use the down arrow until you highlight the "strpos" function name.
4.) Hit "enter".

--> Nothing happens.

Note: 
=====
This works (er...doesn't work) for any funtion. 
"strpos" is used for illustration.



Expected result:
----------------
When "enter" is hit, the "strpos" function page should be displayed.