Please wait http://ghettotube.in.net/ ghetto tube State-run Caixa Economica Federal, Brazil's largest mortgagelender, is close to refinancing a 400 million reais loan to OSXdue on Saturday, a source with direct knowledge of the mattertold Reuters on Tuesday. Caixa is likely to agree to roll overthe loan if OSX wins an extension of a financial guaranteeprovided by Banco Santander Brasil SA and Banco Votorantim SA,the source added.