BX.ready(function(){
var upButton = document.querySelector('[data-role="eshopUpButton"]');
BX.bind(upButton, "click", function(){
var windowScroll = BX.GetWindowScrollPos();
(new BX.easing({
duration : 500,
start : { scroll : windowScroll.scrollTop },
finish : { scroll : 0 },
transition : BX.easing.makeEaseOut(BX.easing.transitions.quart),
step : function(state){
window.scrollTo(0, state.scroll);
},
complete: function() {
}
})).animate();
})
});