var map = new GMap(document.getElementById("map"));
map.addControl(new GLargeMapControl());
map.centerAndZoom(new GPoint(141.3527074456215, 43.054035358794245), 0);
var point = new GPoint(141.3527074456215, 43.054035358794245);
var marker = new GMarker(point);
map.addOverlay(marker);
var offset = new GSize(0, 0);
map.openInfoWindowHtml(map.getCenterLatLng(), '<div style="width: 250px; height:50px;"><p>ソープランド「ミカド」</p><p>札幌市中央区南5条西4丁目サンヨービル3F </p><p>TEL.011-511-0167</p></div>', offset);