rem: OpenLayers.Util.clearArray(this.tile); 
add: this.tile.clear(); 
context:     moveTo:function(bounds, zoomChanged, dragging) {        OpenLayers.Layer.HTTPRequest.prototype.moveTo.apply(this,arguments);                if (bounds == null) {            bounds = this.map.getExtent();        }        var firstRendering = (this.tile == null);        //does the new bounds to which we need to move fall outside of the         // current tile's bounds?        var outOfBounds = (!firstRendering &&                           !this.tile.bounds.containsBounds(bounds));        if ( zoomChanged || firstRendering || (!dragging && outOfBounds) ) {            //clear out the old tile             if (this.tile) {                OpenLayers.Util.clearArray(this.tile);            }            //determine new tile bounds            var center = bounds.getCenterLonLat();            var tileWidth = bounds.getWidth() * this.ratio;            var tileHeight = bounds.getHeight() * this.ratio;            var tileBounds =                 new OpenLayers.Bounds(center.lon - (tileWidth / 2),                                      center.lat - (tileHeight / 2),                                      center.lon + (tileWidth / 2),                                      center.lat + (tileHeight / 2));            //determine new tile size            var tileSize = this.map.getSize();            tileSize.w = tileSize.w * this.ratio;            tileSize.h = tileSize.h * this.ratio;            //formulate request url string            var url = this.getURL(tileBounds);             //determine new position (upper left corner of new bounds)            var ul = new OpenLayers.LonLat(tileBounds.left, tileBounds.top);            var pos = this.map.getLayerPxFromLonLat(ul);            if ( this.tile && !this.tile.size.equals(tileSize)) {                this.tile.destroy();                this.tile = null;            }            if (!this.tile) {                this.tile = new OpenLayers.Tile.Image(this, pos, tileBounds,                                                      url, tileSize);                this.tile.draw();            } else {                this.tile.moveTo(tileBounds, pos);            }             }    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1027/876051d6190095bebab2bd12e292c4c8aca1a50e/Untiled.js/clean/lib/OpenLayers/Layer/WMS/Untiled.js