var block = false;
$(document).ready(function(){
    $('.scrollingHotSpotRight').click(function(){
        if(!block){
            block = true;
            $('.scrollableArea').animate({
                marginLeft: '-=135'
            }, 1000, function(){
                $('.scrollableArea .serie:first').remove().appendTo('.scrollableArea');
                $('.scrollableArea').css('margin-left', '-135px');
                block = false;
            });
        }
        return false;
    });
    $('.scrollingHotSpotLeft').click(function(){
        if(!block){
            block = true;

            $('.scrollableArea').animate({
                marginLeft: '+=135'
            }, 1000, function(){
                $('.scrollableArea .serie:last').remove().prependTo('.scrollableArea');
                $('.scrollableArea').css('margin-left', '-135px');
                block = false;
            });
        }
        return false;
    });
});