Viewind problem in 640/480 resulution

hi
I have created one report in CR Viewer. It is perfectcly running and showing full screen in 800/600 resolution.
but same report if i am viewing in 640/480 resolution. i can see only half screen details. if i want to see full screen then veiwing size have to reduce to 50% .. then data i cannot see properly.

reason every client place i cant put 800/600 resulotion...they having 640/480 resolution..

so is there any scroll bar to view full detail.. please help me out..
beacuse most of the client place they r having 640/480 resloution...



thanx in advance