rem: this.deactivate(); 
add: OpenLayers.Handler.prototype.destroy.apply(this, arguments); 
context:     destroy: function() {        this.deactivate();        this.wheelListener = null;        OpenLayers.Handler.prototype.destroy.apply(this, arguments);    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/46c5cd681293baec90e8a0b83aa25f8b4b2e0017/MouseWheel.js/buggy/lib/OpenLayers/Handler/MouseWheel.js