rem: this.popup = new this.popupClass(id, this.lonlat, this.data.popupSize, this.data.popupContentHTML, anchor, closeBox);  
add: if (!this.popup) { this.popup = new this.popupClass(id, this.lonlat, this.data.popupSize, this.data.popupContentHTML, anchor, closeBox); } 
context:     createPopup: function(closeBox) {        if (this.lonlat != null) {                        var id = this.id + "_popup";            var anchor = (this.marker) ? this.marker.icon : null;            this.popup = new this.popupClass(id,                                              this.lonlat,                                             this.data.popupSize,                                             this.data.popupContentHTML,                                             anchor,                                              closeBox);                         if (this.data.overflow != null) {                this.popup.contentDiv.style.overflow = this.data.overflow;            }                            this.popup.feature = this;        }                return this.popup;    },
meta: 8310	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8310/b9a04a0e9b37c58dc74bdbaac24de7ef3561c3de/Feature.js/buggy/lib/OpenLayers/Feature.js