Проблема с двумерным массивом

[MrXoT]

var filename_list = new Array();
var filepath:String = "portfolio/spec/";

var content_xml = new XML();
content_xml.ignoreWhite = true;
content_xml.onLoad = function(success:Boolean) {
    if(success){
	var node:Array = this.firstChild.childNodes;
	for (var i = 0; i<node.length; i++) {
		var nodes:Array = this.firstChild.childNodes[i].childNodes;
                var nodes_length:Number = this.firstChild.childNodes[i].childNodes.length;
		filename_list[i] = new Object();
                filename_list[i]._length=nodes_length;
		for (var j = 0; j<nodes.length; j++) {

			var filename:String = nodes[j].attributes.filename;
                        filename_list[i][j] = new Object();
                        filename_list[i][j]._filename=filename;

		}
	}
	trace(filename_list[1][0]._filename)
    }
};
content_xml.load("specproject.xml");