rem: defaultWheelUp: function()  { this.map.zoomIn(); 
add: defaultWheelUp: function(evt) { if (this.map.getZoom() <= this.map.getNumZoomLevels()) { this.map.setCenter(this.map.getLonLatFromPixel(evt.xy), this.map.getZoom() + 1); } 
context:     defaultWheelUp: function()  {        this.map.zoomIn();    },
meta: 8310	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8310/15c2ab578fabf2c24ed636bbb490243d82a68076/MouseDefaults.js/clean/lib/OpenLayers/Control/MouseDefaults.js