// JavaScript Document
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"; }
	}