var ctrlman = m_Map.GetCtrlMan();
  var ctrlstate = ctrlman.GetControlState();

  var layerMan = ctrlman.GetLayerMan();
  var util = m_Map.GetUtility(); 
	var centerLL = ctrlstate.GetLLCenter(); // 지도의 중심 좌표


	// Step 1. Make Layer Style	
	var style = layerMan.FindStyle(10);
	if (!style) {
		style = layerMan.NewStyle(10);
		style.SetPen(util.RGBColor(0, 0, 0), 3, util.GetConstToValue("PS_SOLID"));
		style.SetBrush(util.RGBAColor(0, 0, 255, 100), util.GetConstToValue("    BS_SOLID"));

	}	
	
	// Step 2. Make Layer PolyLine
	var polygon = layerMan.FindObject(100,10);
	if (!polygon) {
	 
		polygon = layerMan.NewPolygon(100,10);
		polygon.BeginUpdate();
		polygon.AddPoint(centerLL._X+100,centerLL._Y+100);
		polygon.AddPoint(centerLL._X+100,centerLL._Y+500);
		polygon.AddPoint(centerLL._X+500,centerLL._Y+500);
		polygon.AddPoint(centerLL._X+500,centerLL._Y+100);
		
		polygon.SetCanClick(1);
		polygon.SetCanFocus(1);
		polygon.SetClosed(1);   // 0: Line, 1: Polygon
		polygon.SetStyle(style);
		polygon.EndUpdate();   	
		polygon.AddEventMode(util.GetConstToValue("TMEVENTTYPE_CLICK"));		
	
	}
	
var a = layerMan.GetLayerCount();  //Layer 갯수 확인
  alert(a);