Paris Hilton is calling on her fans to help her stay out of jail - by endorsing an online petition they can sign. The desperate socialite, who was sentenced to serve 45 days in jail last week after violating terms of her 2006 drink-driving arrest, has teamed up with a pal called Joshua to urge fans to help her. In a post on her MySpace blog, Hilton, who is also asking California Governor Arnold Schwarzenegger to pardon her, writes, "My friend Joshua started this petition. Please help and sign it. I love you all!" The petition, which is addressed to...