ti ringrazio però.....
scusa ma che significa?? 
questo il codice js... l'errore sarebbe alla linea 8 per cui:
item = $('.list li');
e come mai è sbagliato?..non conosco js ...
Codice PHP:
$(document).ready(function() {
$('.prev').css("background-image" , "none");
//Initialize
onMoving = false;
item = $('.list li');
itemReverse = item.get().reverse();
itemSize = item.size();
itemDisplayed = 6;
itemToSlide = itemDisplayed * 9;
currentSlide = 1;
page = Math.round(itemSize/itemDisplayed);
//Next button clicked
$('.next').click(function() {
if(currentSlide >= 7) {
$(this).css("background-image" , "none");
}
if(currentSlide >= 1) {
$('.prev').css("background-image" , "url('images/prev.png')");
}
if(onMoving || currentSlide >= 8)
return false;
onMoving = true, currentSlide++;
$.each(item, function() {
var i = $(this).index();
var delay = i * 100;
window.setTimeout(function (index) {
return function () {
item.eq(index).stop().animate({ 'right' : '+='+itemToSlide+'em' }, function() {
if(index >= itemSize-1) onMoving = false;
});
};
} (i), delay);
});
});
//Previous button clicked
$('.prev').click(function() {
if(currentSlide <= 8) {
$('.next').css("background-image" , "url('images/next.png')");
}
if(currentSlide <= 2) {
$(this).css("background-image" , "none");
}
if(onMoving || currentSlide == 1) return false;
onMoving = true, currentSlide--;
$.each(itemReverse, function() {
var i = $(this).index();
var delay = i * 100;
window.setTimeout(function (index) {
return function () {
$(itemReverse).eq(index).stop().animate({ 'right' : '-='+itemToSlide+'em' }, function() {
if(index >= 0) onMoving = false;
});
};
} (i), delay);
});
});
});