Conventionally, the defeat of a government in a confidence vote is supposed to trigger an election.
Who parties vote for in a confidence vote is up to them.
He said the euro project had become engulfed in a "confidence crisis".
They "would not be propping up a Conservative government" in a confidence vote, he says.
This further weakened the government, which is expected to fall in a confidence vote.
1979- March 28: The government is defeated in a confidence motion.
Friends say that he lost confidence, as can happen quickly to a man caught up in a confidence game.
A formal coalition may be complicated, but an informal alliance and abstention in a confidence vote, possible.
But Queensland MP Bob Katter and Tasmanian independent Andrew Wilkie both said they would back Rudd in a confidence motion.
"He has done a good job of bringing in a confidence level to the defense," Payton said earlier this week.
In October 1998 PRC dissatisfaction led to a narrow defeat in a confidence vote that forced Prodi to resign.
