function door(obj, m_Link, targetObj){
  obj = obj.parentNode;
  obj.className = (obj.className == 'open') ? 'closed' : 'open';
  if (m_Link.length>0&&obj.className=='open') 
   	{
		if (targetObj.length==0)
			//parent.document.location.href = m_Link;
			document.location.href = m_Link;
		else	
		 	parent.frames[targetObj].location.href = m_Link;
	}
  return false;
}