rem: OpenLayers.Handler.prototype.activate.apply(this, arguments);  var wheelListener = this.wheelListener; OpenLayers.Event.observe(window, "DOMMouseScroll", wheelListener); OpenLayers.Event.observe(window, "mousewheel", wheelListener); OpenLayers.Event.observe(document, "mousewheel", wheelListener); 
add: if (OpenLayers.Handler.prototype.activate.apply(this, arguments)) {  var wheelListener = this.wheelListener; OpenLayers.Event.observe(window, "DOMMouseScroll", wheelListener); OpenLayers.Event.observe(window, "mousewheel", wheelListener); OpenLayers.Event.observe(document, "mousewheel", wheelListener); return true; } else { return false; } 
context:     activate: function (evt) {        OpenLayers.Handler.prototype.activate.apply(this, arguments);        //register mousewheel events specifically on the window and document        var wheelListener = this.wheelListener;        OpenLayers.Event.observe(window, "DOMMouseScroll", wheelListener);        OpenLayers.Event.observe(window, "mousewheel", wheelListener);        OpenLayers.Event.observe(document, "mousewheel", wheelListener);    },
meta: 8310	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8310/07abc57037e3ae38744d7d53befea534a0c51cd0/MouseWheel.js/buggy/lib/OpenLayers/Handler/MouseWheel.js