Quote Originally Posted by Sarcasm

Here are the shapes of the main gladius types (there are others....).

Hoplite shortswords from earlier times (500BC) are what you are refering to as "leaf-shaped greek sword"....though they might have been used till much later...

Here´s an interesting discussion for you and a an overall nice site...

Greek Swords, 500 BC

Hellenistic swords in this time must have been either longer for hoplites(Iphikatrean reforms) or more like a large knife for most of the Pikemen.
your picture doesn;t work... but I get the picture