If the engine is lifted with a jack under the sump, how do you hold the engine up while removing the oil pans?

I want to use the jack. I have only found threads discussing replacement of the engine mounts; not oil pan gaskets.

such as;
http://www.mbclub.co.uk/forums/showthread.php?t=31874&highlight=Howto%3A+Change+engine+mounts

Thanks for the help

__________________
Thanks for the help
Bill Fisher

'86 560SL (186K) - Now a 'classic' : Registered as an Historic Vehicle
02 E430 in the stable
'14 LS460 (Lexus)
- - - - -
'95 E420 (198K) found a new home
'99 E320 (80K) (gave it's life for me as we hit a bumper)
'95 E420 (231K) Sold to a happy buyer, new to Mercedes
'90 300E (65K) Sold to an Mercedes Lover
'92 190E (215K) - retired to the salvage yard
'93 500SEL (214K) - Moved to another family, still runs like a young pup