rem: var newNode = node.cloneNode(true);  if ( beforeNode ) parentNode.insertBefore(newNode, beforeNode); else parentNode.appendChild(newNode); 
add: var newNode = node.cloneNode(true);  if ( beforeNode ) parentNode.insertBefore(newNode, beforeNode); else parentNode.appendChild(newNode); 
context: function awCopyNode(node, parentNode, beforeNode){	var newNode = node.cloneNode(true);		if ( beforeNode )		parentNode.insertBefore(newNode, beforeNode);	else		parentNode.appendChild(newNode);    return newNode;}
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