function toggleSliders() {
	if (sliders == 0) {
		document.getElementById("allsliders").style.visibility = "visible";
		document.getElementById("b1").style.visibility = "visible";
		sliders = 1;
	} else {
		document.getElementById("allsliders").style.visibility = "hidden";
		document.getElementById("b1").style.visibility = "hidden";
		sliders = 0;
	}
}

function toggleMap() {
	if (map == 0) {
		document.getElementById("layer1").style.visibility = "visible";
		document.getElementById("b2").style.visibility = "visible";
		map = 1;
	} else {
		document.getElementById("layer1").style.visibility = "hidden";
		document.getElementById("b2").style.visibility = "hidden";
		map = 0;
	}
}

function toggleGrids() {
	if (grids == 0) {
		document.getElementById("layer2").style.visibility = "visible";
		document.getElementById("b3").style.visibility = "visible";
		grids = 1;
	} else {
		document.getElementById("layer2").style.visibility = "hidden";
		document.getElementById("b3").style.visibility = "hidden";
		grids = 0;
	}
}

function toggleLabels() {
	if (labels == 0) {
		document.getElementById("layer3").style.visibility = "visible";
		document.getElementById("b4").style.visibility = "visible";
		labels = 1;
	} else {
		document.getElementById("layer3").style.visibility = "hidden";
		document.getElementById("b4").style.visibility = "hidden";
		labels = 0;
	}
}

function toggleTitle() {
	if (title == 0) {
		document.getElementById("layer4").style.visibility = "visible";
		document.getElementById("b5").style.visibility = "visible";
		title = 1;
	} else {
		document.getElementById("layer4").style.visibility = "hidden";
		document.getElementById("b5").style.visibility = "hidden";
		title = 0;
	}
}