EventUtils={"addListener":function(b,Y,T,v){if(v==null){v=false;}switch(Y){case "mousewheel":if(b.addEventListener&&!window.opera){b.addEventListener("DOMMouseScroll",T,v);}else{b.onmousewheel=(function(J){return function(E){if(!E){E=window.event;}if(J){J.call(b,E);}return T(E);};})(b.onmousewheel);}break;default:if(document.addEventListener){b.addEventListener(Y,T,v);}else{if(document.attachEvent){b.attachEvent("on"+Y,T,v);}else{b["on"+Y]=T;}}break;}},"removeListener":function(b,Y,T,v){if(v==null){v=false;}if(document.removeEventListener){b.removeEventListener(Y,T,v);}else{if(document.attachEvent){b.detachEvent("on"+Y,T,v);}else{b["on"+Y]=null;}}}};