As 3pepe3 stated you can use the CSS overflow property in your css:
overflow:visible
overflow:hidden
overflow:scroll
overflow:auto
http://www.w3schools.com/css/pr_pos_overflow.asp
Here are some other solutions that your probably talking about however when it comes to flash sites:
1.) Stop making Flash scrollbars
http://hossgifford.com/resizer/
Download link.
2.) swfforcesize – Size limiting for full window flash
http://blog.pixelbreaker.com/flash/swfforcesize/
3.) Fullscreen Flash With Browser Scrollbars
http://blog.hy-brid.com/flash/20/ful…ml-scrollbars/
4.) Elastic Flash with scrollbars
http://f6design.com/journal/2006/12/…th-scrollbars/
5.) FitFlash/swffit – Smart Flash Resize Script
http://fitflash.millermedeiros.com/
FitFlash is now swffit
http://swffit.millermedeiros.com/
6.) swfIN is a javascript toolkit for flash developers (actually like SWFobject)
http://code.google.com/p/swfin/