When you want to make a deposit you have to follow all these steps:

1) Log in your YS account
2) Click on "Add deposits"
3) Type the amount you want to invest
4) THEN you are redirected in the E-Gold website, to autorize the transaction
5) Enter your E-Gold passphrase
6) Confirm the transaction, always in the E-Gold website
7) Once the E-Gold transaction confirmed, you are redirected back in your YS account. Then, you should find your new deposits added in your Account balance.