[jQuery] namespaces XML parsing

I have had alook into jQuery mailinglist and I have googled and I have seen that there are problems witj jQuery parsing XML (an CSS I've seen) namespaces. I have tried and for example, in FF I need to look for "ns\\:tag" to find a tag, but for example if a look for an attribute I have to do this

[jQuery] namespaces XML parsing

I have had a look at jQuery mailinglist and I have googled, and I have not found a solution to this problem. For example, in FF, if a look for a tag, I have to write "ns\\:tag" , but if a look for an attribute I have to write "ns:attribute". In google Chrome (WebKit), I have to write "tag" or "at