function buildStruct($xmldata)
{
// Create a parser object
$p = new XMLParser();
// Define our known namespaces
foreach ($this->namespaces as $space => $uri) {
$p->definens($space, $uri);
}
// Define base namespace
$p->definens("UNDEF");
//$this->parseEntities($xmldata);
// Tell the parser to get the file.
$p->setXmlData($xmldata);
// Tell the parser to build the tree.
$p->buildXmlTree();
// Spit the tree out so we can see it
return $p->getXmlTree();
}