src/javascript/core/utils/Events.js
function(obj, name, callback) {
		var type, undef;
		
		name = name.toLowerCase();
		
		if (obj[uid] && eventhash[obj[uid]] && eventhash[obj[uid]][name]) {
			type = eventhash[obj[uid]][name];
		} else {
			return;
		}
			
		for (var i = type.length - 1; i >= 0; i--) {
			// undefined or not, key should match
			if (type[i].orig === callback || type[i].key === callback) {
				if (obj.removeEventListener) {
					obj.removeEventListener(name, type[i].func, false);
				} else if (obj.detachEvent) {
					obj.detachEvent('on'+name, type[i].func);
				}
				
				type[i].orig = null;
				type[i].func = null;
				type.splice(i, 1);
				
				// If callback was passed we are done here, otherwise proceed
				if (callback !== undef) {
					break;
				}
			}
		}
		
		// If event array got empty, remove it
		if (!type.length) {
			delete eventhash[obj[uid]][name];
		}
		
		// If mOxie registry has become empty, remove it
		if (Basic.isEmptyObj(eventhash[obj[uid]])) {
			delete eventhash[obj[uid]];
			
			// IE doesn't let you remove DOM object property with - delete
			try {
				delete obj[uid];
			} catch(e) {
				obj[uid] = undef;
			}
		}
	}
function(obj, name, callback) {
		var type, undef;
		
		name = name.toLowerCase();
		
		if (obj[uid] && eventhash[obj[uid]] && eventhash[obj[uid]][name]) {
			type = eventhash[obj[uid]][name];
		} else {
			return;
		}
			
		for (var i = type.length - 1; i >= 0; i--) {
			// undefined or not, key should match
			if (type[i].orig === callback || type[i].key === callback) {
				if (obj.removeEventListener) {
					obj.removeEventListener(name, type[i].func, false);
				} else if (obj.detachEvent) {
					obj.detachEvent('on'+name, type[i].func);
				}
				
				type[i].orig = null;
				type[i].func = null;
				type.splice(i, 1);
				
				// If callback was passed we are done here, otherwise proceed
				if (callback !== undef) {
					break;
				}
			}
		}
		
		// If event array got empty, remove it
		if (!type.length) {
			delete eventhash[obj[uid]][name];
		}
		
		// If mOxie registry has become empty, remove it
		if (Basic.isEmptyObj(eventhash[obj[uid]])) {
			delete eventhash[obj[uid]];
			
			// IE doesn't let you remove DOM object property with - delete
			try {
				delete obj[uid];
			} catch(e) {
				obj[uid] = undef;
			}
		}
	}
Remove event handler from the specified object. If third argument (callback)
is not specified remove all events with the specified name.

@method removeEvent
@static
@param {Object} obj DOM element to remove event listener(s) from.
@param {String} name Name of event listener to remove.
@param {Function|String} [callback] might be a callback or unique key to match.