var EMS_Layers = Array();

var EMS_wmsId    = (wms && wms[0] && wms[0].wms_id)   ? wms[0].wms_id : 0;
var EMS_startPos = (wms && wms[0] && wms[0].objLayer) ? wms[0].objLayer.length : 0;
var EMS_curPos   = EMS_startPos;