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c,d,e,f;a.hasClass("unselectable")||a==this.selected||(this.deselect(),this.selected=a.addClass("selected"),c=a.outerHeight(),d=this.element.height(),e=a.position().top,f=this.element.scrollTop(),0>e?this.element.scrollTop(f+e):e+c>d&&this.element.scrollTop(f+e-d+c),this.element.trigger("river-select",[a,b,this]))},deselect:function(){this.selected&&this.selected.removeClass("selected"),this.selected=!1},prev:function(){if(this.visible){var a;this.selected&&(a=this.selected.prev("li"),a.length&&this.select(a))}},next:function(){if(this.visible){var b=this.selected?this.selected.next("li"):a("li:not(.unselectable):first",this.element);b.length&&this.select(b)}},ajax:function(a){var b=this,c=1==this.query.page?0:wpLink.minRiverAJAXDuration,d=wpLink.delayedCallback(function(c,d){b.process(c,d),a&&a(c,d)},c);this.query.ajax(d)},change:function(a){this.query&&this._search==a||(this._search=a,this.query=new f(a),this.element.scrollTop(0))},process:function(b,c){var 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