/**
* OpenLayers.Control.ZoomBox<br/>
* 드래그하여 지도를 확대하는 control
* @class ZoomBox
* @extends OpenLayers.Control
* @constructor
* @namespace OpenLayers.Control
* @param {Object} options control 옵션 hashtable
*/
OpenLayers.Control.ZoomBox = OpenLayers.Class(OpenLayers.Control, {
});