Edit in JSFiddle

$(function(){
    $('#slide-container').sliding({
        items: 3,
        target: '#target',
        disabledClass: 'disabled'
    });
});
#slide-container {
 border: 1px solid gray;
 overflow: hidden;    
}

.disabled {
 color: gray;   
}    

ul li {
 float: left;    
}