ScrollBar Issue

Hey Guys, well in , you can find this flash guestbook that workes with PHP, so i’m having trouble which is, that, i need to resize the height of this ScrollBar, because i have another size for the text field, so now i’m facing a trouble, in the Dynamic Text, it will loads 10 Entries as u will see when u download it, so now when i resized it, i was unable anymore to scroll and see all the entries, so i use the Key Arrows, but now the scroll bar will go furthur down, and out of the main scroll bar place, so umm i wish someone can help me here.

and thx in advance bye