GEORGIA: Julia Roberts’ marriage is on the rocks. Sources say the actress’ husband, Danny Moder, is jealous of her flirtatious relationship with her hunky The Normal Heart costar Mark Ruffalo. “Danny’s convinced that Julia was flirting up a storm with Mark,” said a source. “Mark and Julia had a tender moment in the film when his character picks her up out of her wheelchair and they slow dance to the Johnny Mathis classic Chances Are. “And in real life, they’re like two peas in a pod, both politically liberal and socially conscious.” “If she wants a man, she goes after him,” said another insider.–SH