function showInfo(info) {
	hideInfo();
	document.getElementById(info).style.visibility = "visible";
}
function hideInfo() {
	document.getElementById("ddmlinks").style.visibility = "hidden";
}
function showPhoto(info) {
	hidePhoto();
	document.getElementById(info).style.visibility = "visible";
}
function hidePhoto() {
	document.getElementById("photo1").style.visibility = "hidden";
	document.getElementById("photo2").style.visibility = "hidden";
	document.getElementById("photo3").style.visibility = "hidden";
	document.getElementById("photo4").style.visibility = "hidden";
	document.getElementById("photo5").style.visibility = "hidden";
	document.getElementById("photo6").style.visibility = "hidden";
	document.getElementById("photo7").style.visibility = "hidden";
	document.getElementById("photo8").style.visibility = "hidden";
	document.getElementById("photo9").style.visibility = "hidden";
	document.getElementById("photoa").style.visibility = "hidden";
}
function showAbout(info) {
	hideAbout();
	document.getElementById(info).style.visibility = "visible";
}
function hideAbout() {
	document.getElementById("about1").style.visibility = "hidden";
	document.getElementById("about2").style.visibility = "hidden";
}
function showModel(model) {
	document.getElementById(model).style.visibility = "visible";
}
function hideModel(model) {
	document.getElementById(model).style.visibility = "hidden";
}