dhtmlxMenu :: DHTML/JavaScript Menu End user license agreement

1. GNU General Public License - http://dhtmlx.com/docs/products/dhtmlxMenu/license.shtml?gpl
2. Commercial License ($49) - http://dhtmlx.com/docs/products/dhtmlxMenu/license.shtml?com
3. Enterprise license ($99) - http://dhtmlx.com/docs/products/dhtmlxMenu/license.shtml?ent