Hi Lijian,
You can check out the example below to see if it helps :)
http://www.tersus.com/#Id=164
CheersCliff
To use the full functionality of this web site, JavaScript needs to be turned on.
For best results, use the Firefox browser..
Copyright © 2003-2017 - Tersus Software Ltd., All rights reserved. Terms of Use License Graphic design by EmaraDesign
