function SWFMacMouseWheel(a){this.so=a;var b=navigator.appVersion.toLowerCase().indexOf("mac")!=-1;if(b){this.init()}}SWFMacMouseWheel.prototype={init:function(){SWFMacMouseWheel.instance=this;if(window.addEventListener){window.addEventListener("DOMMouseScroll",SWFMacMouseWheel.instance.wheel,false)}window.onmousewheel=document.onmousewheel=SWFMacMouseWheel.instance.wheel},handle:function(a){document[this.so.getAttribute("id")].externalMouseEvent(a)},wheel:function(a){var b=0;if(a.wheelDelta){b=a.wheelDelta/120;if(window.opera){b=-b}}else{if(a.detail){b=-a.detail/3}}if(/AppleWebKit/.test(navigator.userAgent)){b/=3}if(b){SWFMacMouseWheel.instance.handle(b)}if(a.preventDefault){a.preventDefault()}a.returnValue=false}};