add: OpenLayers.Event.stopObservingElement(this.imageDiv.firstChild); 
context:     destroy: function() {        this.imageDiv.innerHTML = "";        this.imageDiv = null;    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/04f911085d23b50da873502b6710c5d2ec942678/Icon.js/buggy/lib/OpenLayers/Icon.js