// preload the on-states that we'll need
// map images
var mapImagePaths = new Array();
mapImagePaths.push("images/home/map/pomerania.jpg");
mapImagePaths.push("images/home/map/mazuria.jpg");
mapImagePaths.push("images/home/map/podlassia.jpg");
mapImagePaths.push("images/home/map/greater_poland.jpg");
mapImagePaths.push("images/home/map/mazovia.jpg");
mapImagePaths.push("images/home/map/silesia.jpg");
mapImagePaths.push("images/home/map/lesser_poland.jpg");
var mapImages = preload(mapImagePaths);
// label images
var labelImagePaths = new Array();
labelImagePaths.push("images/home/map/1_on.jpg");
labelImagePaths.push("images/home/map/2_on.jpg");
labelImagePaths.push("images/home/map/3_on.jpg");
labelImagePaths.push("images/home/map/4_on.jpg");
labelImagePaths.push("images/home/map/5_on.jpg");
labelImagePaths.push("images/home/map/6_on.jpg");
labelImagePaths.push("images/home/map/7_on.jpg");
var labelImages = preload(labelImagePaths);


function showMapLayer(layerLevel) {
    hideMapLayers();

	var theMapLayer = document.getElementById('mapSection'+layerLevel);
	if (theMapLayer) {
        theMapLayer.style.display = "block";
    }

	hover(document.getElementById('mapLabel'+layerLevel), 'mapLabel'+layerLevel, true);
}

function hideMapLayers() {
	var mapWrapper = document.getElementById('mapWrapper');
    if (mapWrapper) {
        var divs = mapWrapper.getElementsByTagName("div");
        if (divs && divs.length > 0) {
            for (var i = 0; i < divs.length; i++) {
                if (divs[i].className == "mapSection") {
                    divs[i].style.display = "none";
                }
				else if (divs[i].className.indexOf("mapLabel") != -1) {
					hover(divs[i], divs[i].className, false);
				}
            }
        }       
    }
}