rem: var slide = this.getResolution() * this.slideFactor; var center = this.getCenter(); 
add: var slide = this.map.getResolution() * this.slideFactor; var center = this.map.getCenter(); 
context:     defaultKeyDown: function (evt) {        var slide = this.getResolution() * this.slideFactor;        var center = this.getCenter();            var newCenter = center.copyOf();        switch(evt.keyCode) {            case Event.KEY_LEFT:                newCenter.add( -slide, 0);                break;            case Event.KEY_RIGHT:                 newCenter.add( slide, 0);                break;            case Event.KEY_UP:                newCenter.add( 0, slide);                break;            case Event.KEY_DOWN:                newCenter.add( 0, -slide);                break;        }                if (!newCenter.equals(center)) {            this.setCenter(newCenter);            Event.stop(evt);        }    },
meta: 4411	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4411/ab2de75f860d534e860d573f29079a652b9f3018/KeyboardDefaults.js/buggy/lib/OpenLayers/Control/KeyboardDefaults.js