active = "";
function toggleMe(i){
	t = document.getElementById(i); 
	if (t.style.display == "none"){
		t.style.display = "";
		if (active != ""){
			c = document.getElementById(active);
			c.style.display = "none";
		}
		active = i;
	} else {
		t.style.display = "none";
		active = "";
	}
}