clicking MAX in buy section populates too high Amount field

[jorian]

When clicking the MAX button, next to where the user can specify the amount to buy, the field is populated based on the current balance of the user's rel coin.

This is confusing, because there are not always enough orders in the orderbook to fulfill that amount of rel coins.

As a user, i would expect that MAX button to populate field with the maximum amount of base that the orderbook allows to buy; in this case 39.12439778.