function importNode(ASrcElem, ADstDoc, ADeep) {
  var res = null;
  switch (ASrcElem.nodeType) {
    case  1 :  // ELEMENT_NODE
      res = ADstDoc.createElement(ASrcElem.nodeName);
      var lAttr = ASrcElem.attributes;
      for (var i =  0 ; i < lAttr.length; i++)
        res.setAttribute(lAttr.item(i).name, lAttr.item(i).value);
      break;                  
    case  2 :  // ATTRIBUTE_NODE
      res = ADstDoc.createAttribute(ASrcElem.nodeName);
      res.value = ASrcElem.value;
      break;                  
    case  3 :  // TEXT_NODE                     
      res = ADstDoc.createTextNode(ASrcElem.data);
      break;                  
    case  4 :  // CDATA_SECTION_NODE            
      res = ADstDoc.createCDATASection(ASrcElem.nodeName);
      break;                  
    case  5 :  // ENTITY_REFERENCE_NODE         
      res = ADstDoc.createEntityReference(ASrcElem.nodeName);
      break;                  
    case  6 :  // ENTITY_NODE                   
      break;                  
    case  7 :  // PROCESSING_INSTRUCTION_NODE   
      res = ADstDoc.createProcessingInstruction(ASrcElem.target, ASrcElem.data);
      break;                  
    case  8 :  // COMMENT_NODE                  
      res = ADstDoc.createComment(ASrcElem.data);
      break;                  
    case  9 :  // DOCUMENT_NODE                 
      break;                  
    case  10 :  // DOCUMENT_TYPE_NODE            
      break;                  
    case  11 :  // DOCUMENT_FRAGMENT_NODE        
      res = ADstDoc.createDocumentFragment(ASrcElem.nodeName);
      break;                  
    case  12 :  // NOTATION_NODE                 
      break;                  
  }  // switch
  if (res && ADeep) {
    for (var i =  0 ; i < ASrcElem.childNodes.length; i++) {
      var childElem = importNode(ASrcElem.childNodes(i), ADstDoc, ADeep);
      if (childElem)
        res.appendChild(childElem);
    }
  }
  return res;
}