rem: if ( resultsTree ) { var ref = resultsTree.getAttribute('ref'); resultsTree.setAttribute('ref', ref); } 
add: if (resultsTree) { var ref = resultsTree.getAttribute("ref"); resultsTree.setAttribute("ref", ref); } 
context: function RedrawResultsTree(){	if ( resultsTree )	{		var ref = resultsTree.getAttribute('ref');		resultsTree.setAttribute('ref', ref);	}}
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