jQuery(function(a){a.em=a.extend({version:"1.0",delay:200,element:a("<div />").css({left:"-100em",position:"absolute",width:"100em"}).prependTo("body")[0],action:function(){var b=a.em.element.offsetWidth/100;if(b!=a.em.current){a.em.previous=a.em.current;a.em.current=b;a.event.trigger("emchange",[a.em.current,a.em.previous])}}},a.em);a.fn.emchange=function(b){return b?this.bind("emchange",b):this.trigger("emchange")};a.em.current=a.em.element.offsetWidth/100;a.em.iid=setInterval(a.em.action,a.em.delay)});