tns=attrs.getValue("targetNamespace");
m_topicSpace=new TopicSpaceImpl(tns);
//System.out.println("topicspace "+tns);
}
if(qName.endsWith("topic")){
Topic t=new TopicImpl(attrs.getValue("name"));
if(depth==0){
m_topicSpace.addTopic(t);
stack.push(t);
}else{
Topic in = (Topic)stack.peek();