CSS Drop-down menu Framework, Javascript Shopping Cart, Complete Site Validator, ICS on Vista, xampp PHP switch error,

Free CSS Drop-Down Menu Framework
http://lwis.net/free-css-drop-down-menu/

js: script: Simple cart - Javascript shopping cart with Paypal integration
http://www.thewojogroup.com/simpleCart/#


Complete Site Validator
http://freesitevalidator.com

Internet Connection Sharing: ICS on vista
http://windowshelp.microsoft.com/Windows/en-us/help/bfd3bd31-82f0-4b9c-9cde-fb92bc2b14771033.mspx

xampp: error: While switching between php version 4 and 5
 

The PHP version number is not valid.
Die PHP Version Nummer ist ungueltig.
PHP Switch exit ...

reason: 'xampp\install\.phpversion' had null value
solution:
1. Shutdown apache
2. Wrote '4' (without quotes) in '.phpversion' file as my PHP version was 4
3. php-switch.bat