problem with UI/Slider on EI 7

problem with UI/Slider on EI 7


Hi, I'm form chile and I have one problem with UI/Slideron EI, the
situation is when I click in <input type="button" class="more"> I
execute $('.more').slidet('movetTo','-=1'), but EI send me an error
"Not valid argument"...any body can help me?...