/*
	mapCanvasId default 為 "map_canvas"
*/
function loadMap(address, markerInfo, mapCanvasId) {
	if (GBrowserIsCompatible()) {
		if (typeof mapCanvasId == "undefined" || mapCanvasId == '') {
			mapCanvasId = "map_canvas";
		}

		var map = new GMap2(document.getElementById(mapCanvasId));
	    var geocoder = new GClientGeocoder();

        map.addControl(new GSmallMapControl());
		
		geocoder.getLatLng(address, function(point) {
			if (!point) {
				// Google Maps 找不到地址
				map.setCenter(new GLatLng(24.1501874, 120.6429991), 7);
				
				var marker = new GMarker(new GLatLng(24.1501874, 120.6429991));
				
				map.addOverlay(marker);
				marker.openInfoWindowHtml("找不到該地址，無法顯示地圖！");
			} else {
				map.setCenter(point, 15);
				
				var marker = new GMarker(point);
				
				map.addOverlay(marker);
				
				if (typeof markerInfo != "undefined" && markerInfo != '') {
					marker.openInfoWindowHtml(markerInfo);
				}
			}
		});
	}
}

function setUnload() {
	document.body.onunload = GUnload;
}