/* preload map images for highlight effect */
if (document.images) {
	img1 = new Image(449,540)
	img1.src = "/gfx/towns-counties/county-map-default.png"
	
	img2 = new Image(449,540)
	img2.src = "/gfx/towns-counties/county-map-on-colfax.png"
	
	img3 = new Image(449,540)
	img3.src = "/gfx/towns-counties/county-map-on-union.png"
	
	img4 = new Image(449,540)
	img4.src = "/gfx/towns-counties/county-map-on-mora.png"
	
	img5 = new Image(449,540)
	img5.src = "/gfx/towns-counties/county-map-on-harding.png"
	
	img6 = new Image(449,540)
	img6.src = "/gfx/towns-counties/county-map-on-san-miguel.png"
	
	img7 = new Image(449,540)
	img7.src = "/gfx/towns-counties/county-map-on-quay.png"
	
	img8 = new Image(449,540)
	img8.src = "/gfx/towns-counties/county-map-on-guadalupe.png"
}

/* preload road and community overlays */
road_overlay = new Image(466,557)
road_overlay.src = "/gfx/towns-counties/county-map-overlay-roads.png"

community_overlay = new Image(457,533)
community_overlay.src = "/gfx/towns-counties/county-map-overlay-communities.png"


/* swap map images for highlight effect */
function highlight_none() {
	document.getElementById("county-map-image").src = img1.src
}

function highlight_colfax() {
	document.getElementById("county-map-image").src = img2.src
}

function highlight_union() { 
	document.getElementById("county-map-image").src = img3.src
}

function highlight_mora() { 
	document.getElementById("county-map-image").src = img4.src
}

function highlight_harding() { 
	document.getElementById("county-map-image").src = img5.src
}

function highlight_san_miguel() { 
	document.getElementById("county-map-image").src = img6.src
}

function highlight_quay() { 
	document.getElementById("county-map-image").src = img7.src
}

function highlight_guadalupe() { 
	document.getElementById("county-map-image").src = img8.src
}

/* show/hide county lists */
function show_colfax_list() {
	document.getElementById("colfax-list").style.display = "block"; 
	document.getElementById("union-list").style.display = "none";
	document.getElementById("mora-list").style.display = "none";
	document.getElementById("harding-list").style.display = "none";
	document.getElementById("san-miguel-list").style.display = "none";
	document.getElementById("quay-list").style.display = "none";
	document.getElementById("guadalupe-list").style.display = "none";
}

function show_union_list() {
	document.getElementById("union-list").style.display = "block"; 
	document.getElementById("colfax-list").style.display = "none"; 
	document.getElementById("mora-list").style.display = "none";
	document.getElementById("harding-list").style.display = "none";
	document.getElementById("san-miguel-list").style.display = "none";
	document.getElementById("quay-list").style.display = "none";
	document.getElementById("guadalupe-list").style.display = "none";
}

function show_mora_list() {
	document.getElementById("mora-list").style.display = "block"; 
	document.getElementById("colfax-list").style.display = "none"; 
	document.getElementById("union-list").style.display = "none";
	document.getElementById("harding-list").style.display = "none";
	document.getElementById("san-miguel-list").style.display = "none";
	document.getElementById("quay-list").style.display = "none";
	document.getElementById("guadalupe-list").style.display = "none";
}

function show_harding_list() {
	document.getElementById("harding-list").style.display = "block";
	document.getElementById("colfax-list").style.display = "none"; 
	document.getElementById("union-list").style.display = "none"; 
	document.getElementById("mora-list").style.display = "none";
	document.getElementById("san-miguel-list").style.display = "none";
	document.getElementById("quay-list").style.display = "none";
	document.getElementById("guadalupe-list").style.display = "none";
}

function show_san_miguel_list() {
	document.getElementById("san-miguel-list").style.display = "block";
	document.getElementById("colfax-list").style.display = "none"; 
	document.getElementById("union-list").style.display = "none"; 
	document.getElementById("mora-list").style.display = "none";
	document.getElementById("harding-list").style.display = "none";
	document.getElementById("quay-list").style.display = "none";
	document.getElementById("guadalupe-list").style.display = "none";
}

function show_quay_list() {
	document.getElementById("quay-list").style.display = "block";
	document.getElementById("colfax-list").style.display = "none"; 
	document.getElementById("union-list").style.display = "none"; 
	document.getElementById("mora-list").style.display = "none";
	document.getElementById("harding-list").style.display = "none";
	document.getElementById("san-miguel-list").style.display = "none";
	document.getElementById("guadalupe-list").style.display = "none";
}

function show_guadalupe_list() {
	document.getElementById("guadalupe-list").style.display = "block";
	document.getElementById("colfax-list").style.display = "none"; 
	document.getElementById("union-list").style.display = "none"; 
	document.getElementById("mora-list").style.display = "none";
	document.getElementById("harding-list").style.display = "none";
	document.getElementById("san-miguel-list").style.display = "none";
	document.getElementById("quay-list").style.display = "none";
}


/* show/hide road and community overlays */
function show_roads() {
	document.getElementById("county-roads").style.display = "block"; 
}

function hide_roads() {
	document.getElementById("county-roads").style.display = "none"; 
}

function show_communities() {
	document.getElementById("county-communities").style.display = "block"; 
}

function hide_communities() {
	document.getElementById("county-communities").style.display = "none"; 
}