var cataloguePreloading=function(){$("div.catImg").each(function(){var n=$(this),t=n.attr("mch");n.click(function(){t&&setMCH(t),location.href=n.attr("href")})}),$(window).bind("scroll",function(){makeCatalogueVisible()}),$(function(){makeCatalogueVisible()})},makeCatalogueVisible;$(cataloguePreloading),makeCatalogueVisible=function(){var n=$(window).scrollTop(),t=n+$(window).height();$("div.catImg").each(function(){var i=$(this),r,u;i.is(":visible")&&i.css("background-image")=="none"&&(r=i.offset().top,u=r+i.height(),u>n&&r<t&&i.css("background-image","url("+i.attr("img")+")"))})}