var autoClose=1;
var oldObject=null;

function toggleMenu(objectID) {
	var object = document.getElementById(objectID);
	if (object.style.display!='block') {
		if ((oldObject!=null)&&(autoClose==1)) 
		oldObject.style.display='none'; 
		var object = document.getElementById(objectID);
		if (object.style.display =='block') object.style.display='none';
		else object.style.display='block';
		oldObject = object;
		return;
	} else object.style.display='none';
}