EventUtils={"addListener":function(w,z,t,O){if(O==null){O=false;}switch(z){case "mousewheel":if(w.addEventListener&&!window.opera){w.addEventListener("DOMMouseScroll",t,O);}else{w.onmousewheel=(function(q){return function(p){if(!p){p=window.event;}if(q){q.call(w,p);}return t(p);};})(w.onmousewheel);}break;default:if(document.addEventListener){w.addEventListener(z,t,O);}else{if(document.attachEvent){w.attachEvent("on"+z,t,O);}else{w["on"+z]=t;}}break;}},"removeListener":function(w,z,t,O){if(O==null){O=false;}if(document.removeEventListener){w.removeEventListener(z,t,O);}else{if(document.attachEvent){w.detachEvent("on"+z,t,O);}else{w["on"+z]=null;}}}};