$(function () {
    $('#mainslider').anythingSlider({
         buildArrows: false,
    }); // add any non-default options here

    $('.sliderwrapper .arrow.forward').click(function(){
        $('#mainslider').data('AnythingSlider').goForward(); 
    });

    $('.sliderwrapper .arrow.back').click(function(){
        $('#mainslider').data('AnythingSlider').goBack(); 
    });
});