/* Expanding links */
function $(id) {return document.getElementById(id);}
function hide(elem) {elem.style.display = "none";}
function show(elem) {elem.style.display = "";}
function isHidden(elem) {return (elem.style.display=="none");}
function toggle(id, id2) {
	if (id2!=null) {hide($(id2));}
	var elem = $(id);
	var temp = isHidden(elem) ? show(elem) : hide(elem);
}

/* Lang selection */
function changeLang(lang) {
	loc = String(window.location);
	page = loc.split('earthfromabove/')[1];
	window.location = "http://earth.google.com/intl/" + lang + "/earthfromabove/" + page;
}
function loaded(lang) {
	document.getElementById('lang').value = lang;
}