4、ind(obj,type,handler){varnode=typeofobj=="string"?$(obj):obj;if(node.addEventListener){node.addEventListener(type,handler,false);}elseif(node.attachEvent){node.attachEvent('on'+type,handler);}else{node['on'+type]=handler;}}functionmouseWheel(obj,handler){varnode=typeofobj=="str
5、ing"?$(obj):obj;bind(node,'mousewheel',function(event){vardata=-getWheelData(event);handler(data);if(document.all){window.event.returnValue=false;}else{event.preventDefault();}});//火狐bind(node,'DOMMouseScroll',function(event){vardata=getWheelData(event);handler(data);event.prev
6、entDefault();});functiongetWheelData(event){vare=event
7、
8、window.event;returne.wheelDelta?e.wheelDelta:e.detail*40;}}functionaddScroll(){this.init.apply(this,arguments);}addScroll.prototype={init:function(mainBox,contentBox,className){varmainBox=doc.getElementById(mainBox);varcon
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