!function(){var navbar=document.querySelector(".navbar"),main_wrapper=document.querySelector(".main-wrapper"),main_container=document.querySelector(".main-container"),skin_enabled=-1!=document.querySelector("html").className.indexOf("skin-enabled"),skin_offset=!1;skin_enabled&&UI.scroller.actionStack.push(function(){UI.scroller.viewPortPosition>90&&!skin_offset&&(navbar.classList.add("scroll-offset"),main_wrapper.classList.add("scroll-offset"),main_container.classList.add("scroll-offset"),skin_offset=!0),UI.scroller.viewPortPosition<=90&&skin_offset&&(navbar.classList.remove("scroll-offset"),main_wrapper.classList.remove("scroll-offset"),main_container.classList.remove("scroll-offset"),skin_offset=!1)}.bind(this))}();