rem: defaultWheelDown: function()  { this.map.zoomOut(); 
add: defaultWheelDown: function(evt) { if (this.map.getZoom() > 0) { this.map.setCenter(this.map.getLonLatFromPixel(evt.xy), this.map.getZoom() - 1); } 
context:     defaultWheelDown: function()  {        this.map.zoomOut();    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1027/15c2ab578fabf2c24ed636bbb490243d82a68076/MouseDefaults.js/clean/lib/OpenLayers/Control/MouseDefaults.js