function bigg(t) {
    var ttt=walker('mmmInner',t);
	if (ttt.style.visibility=='visible') {
		return;
	}
	ttt.style.visibility='visible';
	ttt.style.display='block';
}
function litt(t) {
    var ttt=walker('mmmInner',t);
	ttt.style.visibility='hidden';
	ttt.style.display='none';
}
function walker(classname,t) {
  // walks down the tree looking for a class name
  var cname=null;
  try {cname=t.className;} catch (e) {cname=null;}
  if (cname==classname) return t;
  var j;
  for (j=0;j<t.childNodes.length;j++) {
      var tt=walker(classname,t.childNodes[j]);
      if (tt!=null) return tt 
  }
  return null;
}