var markerData = [];
	var count = 0;
	var LF = String.fromCharCode(10);
	if (GBrowserIsCompatible()) {
	map.disableDoubleClickZoom(); 
	map.enableScrollWheelZoom();
	}
GEvent.addListener(map, "dblclick", function(marker, point){
			map.addOverlay(markerData[count++] = new GMarker(point, { draggable: true }));
		} );
	
	function makeCSV() {
		var saveData = "";
		for (var i=0; i<count; i++) {
			var pnt = markerData[i].getPoint();
			saveData += pnt.lat() +","+pnt.lng()+LF;
		}
		document.getElementById("result").value = saveData;
	}
	function clearMarker() {
		map.clearOverlays();
		markerData.length = 0;
		count = 0;
		document.getElementById("result").value = "";
	}