(this.viewRequestID == this.map.viewRequestID)) { 
(this.map && this.viewRequestID == this.map.viewRequestID)) { 
OpenLayers.Util.onImageLoad = function() {    // The complex check here is to solve issues described in #480.    // Every time a map view changes, it increments the 'viewRequestID'     // property. As the requests for the images for the new map view are sent    // out, they are tagged with this unique viewRequestID.     //     // If an image has no viewRequestID property set, we display it regardless,     // but if it does have a viewRequestID property, we check that it matches     // the viewRequestID set on the map.    //     // If the viewRequestID on the map has changed, that means that the user    // has changed the map view since this specific request was sent out, and    // therefore this tile does not need to be displayed (so we do not execute    // this code that turns its display on).    //    if (!this.viewRequestID ||        (this.viewRequestID == this.map.viewRequestID)) {         this.style.backgroundColor = null;        this.style.display = "";      }};
2032	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2032/9bbf96fd1d3f380bedab0bfe938fed5469b64120/Util.js/buggy/lib/OpenLayers/Util.js