Tree xml

I want to basically copy an xml object I have created, take the children from a specified node and make a new xml object from them and put this new xml into the tree component.

Can you see what is wrong with this?

[AS]myXML = new XML();
myXML.ignoreWhite = true;

myXML.onLoad = function()
var newXML = myXML.firstChild.firstChild.childNodes;
myTree.dataProvider = newXML;