function containsDOM (container, containee) {
  var isParent = false;
  do {
	if ((isParent = container == containee))
	  break;
	containee = containee.parentNode;
  }
  while (containee != null);
  return isParent;
}

function checkMouseEnter (element, evt) {
  if (element.contains && evt.fromElement) {
	return !element.contains(evt.fromElement);
  }
  else if (evt.relatedTarget) {
	return !containsDOM(element, evt.relatedTarget);
  }
  
  return null;
}

function checkMouseLeave (element, evt) {
  if (element.contains && evt.toElement) {
	return !element.contains(evt.toElement);
  }
  else if (evt.relatedTarget) {
	return !containsDOM(element, evt.relatedTarget);
  }
  
  return null;
}


function redrwawall()
{
	document.getElementsByTagName("body").item(0).style.display = 'none';
	document.getElementsByTagName("body").item(0).style.display = 'block';
}