Just some more on jacking points for the Focus LS/LT/LV:
Firstly, I stumbled across this a while ago on the net, it looks like it is from a workshop manual:
However, side-lift points are not always practical and there are some alternatives when using hydraulic jacks and jack stands that I have come across. The following pics are kindly 'borrowed' from the XR5 forums, backing up the jacking points that mohit selected:
Jacking points:
Jack stand points (as per Mohit's Mazda 3 pic)