code: function(cloneNode){
  							cloneNode.contentAssistProposalIndex = node.contentAssistProposalIndex;
  							if (cloneNode.hasChildNodes()) {
  								for (var i = 0 ; i < cloneNode.childNodes.length ; i++){
  									recursiveSetIndex(cloneNode.childNodes[i]);
  								}
  							}
  						}
docs: make all the cloned nodes clickable by setting their contentAssistProposalIndex