function openinfo(id, nid) {
	if(document.all) {
		obj = eval("document.all."+id);
		nobj = eval("document.all."+nid);
	} else {
		obj = document.getElementById(id);
		nobj = document.getElementById(nid);
	}
	obj.style.display="block";
	nobj.style.display="none";
}