// 라인을 저장할 변수를 생성합니다
var line;

// 라인을 생성합니다
function polylineDraw(){
	if(!line){
		line = L.polyline([
 			   [[37.53967731569061, 126.90067291259767],
			    [37.54239958054067, 126.90290451049806],
			    [37.54689110023796, 126.9085693359375]],
			   [[37.5324628331539, 126.92187309265138],
			    [37.543012076434, 126.92891120910646]],
			   [[37.529740205530544, 126.93002700805665],
			    [37.53668270955642, 126.94144248962404]],
			   [[37.52327356661688, 126.93818092346193],
			    [37.5299444060497, 126.95105552673341]],
			   [[37.51449165429313, 126.95680618286134],
			    [37.52163980072133, 126.9613552093506]]
        ]).addTo(mymap);
	}
}

// 라인을 삭제합니다
function polylineDel(){
	mymap.removeLayer(line);
	line=null;
}