<!--
function ShowHide(id1, id2) {
	  if (id1 != '') expMenu(id1);
	  if (id2 != '') expMenu(id2);
}

function expMenu(id) {
	var itm = null;
	if (document.getElementById) {
		itm = document.getElementById(id);
	} else if (document.all){
		itm = document.all[id];
	} else if (document.layers){
		itm = document.layers[id];
	}
	if (!itm) {
		// do nothing
	}
	else if (itm.style) {
		if (itm.style.display == "none") { itm.style.display = ""; }
	else { itm.style.display = "none"; }
	}
	else { itm.visibility = "show"; }
}
//-->