* @cfg {Boolean} animate default true
* @cfg {Boolean} allow_close default true
* @cfg {Boolean} fitwindow default false
+ * @cfg {Number} width fixed width - usefull for chrome extension only really.
+ * @cfg {Number} height fixed height - usefull for chrome extension only really.
* @cfg {String} size (sm|lg) default empty
* @cfg {Number} max_width set the max width of modal
*