How to add a "Show-Hide" script anywhere in K2 & Joomla 1.5

Procedure:

1. Install "MooAccordion" plugin via standard Joomla Extension Installer
2. Enable the Plugin via Extensions -> Plugin Manager
3. Add the needed code to your template's index.php file (see code snippets file)
4. Add the needed code to your template's CSS file (see code snippets file)
5. Copy the needed images into your templates /images/ folder
6. Now, you're ready to use the needed "Show-Hide" script to create the collapsing containers (see code snippets file)