Problem with more different scripts ( mootools 1.2 )

Hi People,
I have a problem.
There are several beautiful pages MooTools 1.2 scripts to integrate with source code offer.
But when I include 2 scripts interfere with each other and do not work.

My English is not exactly the best, so have time sorry.



Example:
MooTools Accordion
http://davidwalsh.name/simple-mootools-accordion

... and...

MooTools Drop-Down:
http://www.php-help.ro/mootools-12-javascript-examples/javascript-drop-down-menu-using-mootools-12/

Are also different domready instructions and javascripts.
How can I solve these problems with other scripts?
I myself have not had much idea of Javascript and find the examples as simple to integrate, but probably not always be tolerated.

In part, the scripts do not work with the complete core 1.2.4.

"We will need the Mootools core build and the Fx.Slide component found in the More Builder."
As said in the description of the dropdown menu you need the full core + Fx.Slide

for the accordion I guess you need the full core + Fx.Elements + Fx.Accordion...

you can all get it from the mootools page
More Builder: http://mootools.net/more
Full Core: http://mootools.net/download/get/mootools-1.2.4-core-yc.js