CREATETABLEIFNOTEXISTS`category`(`id`int(11)NOTNULLAUTO_INCREMENT,`title`varchar(50)NOTNULL,`lft`int(11)NOTNULL,`rgt`int(11)N...

//跨浏览器添加事件functionaddEvent(obj,type,fn){if(obj.addEventListener){obj.addEventListener(type,fn,false);}elseif(obj.attachEvent)...