backward scrolling

Does anyone have a good way to handle backward scrolling fast?

for example, display the previous 100 records in order  (records are in ascending order)

thanks/david

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David So			Internet: david.so_at_Software.Mitel.COM
Mitel Corp.
350 Legget Drive, Kanata, Ont.  Phone: (613) 592-2122 x3018
CANADA K2K 1X3         		Fax:   (613) 592-4784