jQuery(document).ready(function(){
    var partners = jQuery('#partners li');
    partners.css({
        position : 'absolute',
        top      : 0,
        left     : 0,
        opacity  : 0
    });
    
    partners.eq(0).css('opacity', 1);
    
    var length   = partners.length;
    var current  = 0;
    var interval = parseInt(jQuery('#partners').attr('data-interval')) * 1000;
    if( interval < 1500 ){
        interval = 1500;
    }
    
    if(length > 1){
     
        var iid = setInterval(function(){
            var next = current + 1;
            partners.eq(current).animate({opacity:0}, 400, function(){
                    if(partners.eq(next).length == 0){
                        next = 0;
                        current = 0;
                    }else{
                        current++;
                    }
                    partners.eq(next).animate({opacity:1}, 700); 
                    
                    next++;
            });
            
           
        }, interval); 
    }
});