it might seem only a bit of a help but some Microsofties from the UK set up a special page within the British MS web (see http://www.microsoft.com/uk/citizenship/madeleine.mspx). Being a father of a 4 year old girl myself it really strucks me.
My only chance of helping here is to spread the news and pray...
But - as sad as this sounds - Madeleine is only one of many children being abused every day. And maybe the prominent case of Madeleine helps to direct more public interest on the topic itself. See yourself http://www.ceop.gov.uk/index.asp