function initialize() {
	if (GBrowserIsCompatible()) {
		var dx = 142.95332;
		var dy = 43.174871;
		var map = new GMap2(document.getElementById("map_canvas"));
		map.setCenter(new GLatLng(dy, dx), 10);
		map.enableDoubleClickZoom();
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
		var marker1 = new GMarker(new GLatLng(dy, dx), {title:'にしかみ農園'});
		map.addOverlay(marker1);
		GEvent.addListener(marker1, "click", function() {marker1.openInfoWindowHtml('<strong>にしかみ農園</strong><br />〒081-0226<br />北海道河東郡鹿追町上幌内4線北2番地1');});
	}
}
window.onload   = initialize;
window.onunload = GUnload;