Hi,

after few hours of investigating this bug …
if you are trying to put a jquery ui slider on a page with mootools it won’t work as you would excpect because mootools slide event fires before jquery does.

the fix for this problem is easy, just do .prop(‘slide’,null) before initializing the jquery slider. this will remove Mootools’s Fx.Slide from the element.

scroller.prop('slide',null).slider({...});

Hope i helped someone with this ... 

G'day
Ady