var boxWidth = $(".drop-item-roll").width();
var currentWidth = 0;
for(var i=0;i<r;i++){
currentWidth += boxWidth;
}
$('.roll-scene-ul').css({"left":"0px"}).animate({"left":"-="+currentWidth+"px", start:function(){
AudioStopped = false;
playRollSound();
}}, 10000, function(){
getWinItem(r);
CaseIsOpened = false;
CaseRollButton.text('Open case');
CaseRollButton.removeClass('roll-start-active');
CaseRollButton.addClass('roll-start');
CaseRollButton.css('color', '#fff');
});