// toggling layers on and off
//pass in layer to display/hide
function hideLayer(d) {
document.getElementById(d).style.display = "none";
}

function showlayer(d) {
document.getElementById(d).style.display = "block";
}


function toggleLayer(d) {
if(document.getElementById(d).style.display == "block") {
	document.getElementById(d).style.display = "none";
}else { document.getElementById(d).style.display = "block"; }
}