jquery插件开发之实现google+圈子选择功能

                if(item.size()>_l){
                    //下翻滚动
                    if(dir==’down’){
                        pull.scrollTop((index+2-_l)*_h);
                    }
                    //上翻滚动
                    if(dir==’up’){
                        pull.scrollTop((index-1)*_h);
                    }
                }
            },
            choose:function(el){
                //列表选择
                var mid=el.attr(‘data-mid’);
                var name=el.text();
                tips.before(‘<div class=”‘+iset.selItemCls+'”><span>’+name+'</span><a href=”javascript:;” class=”‘+iset.removeEl+'” data-mid=”‘+mid+'”>x</a></div>’);
                input.focus();
                el.hide().removeClass(‘hook_visible’);
                //返回选中列表id
                ids.val() ==” ? ids.val(mid) : ids.val(ids.val()+’,’+mid);
                pull.find(‘li.hook_visible:first’).addClass(cls).siblings().removeClass(cls);
                this.upstyle();