How to...refresh specific elements (graphs) within a web-template

Dear experts,

I am at the moment developing a warehouse monitoring tool which will display "live" warehouse performance information directly in the warehouse to the operators on a big screen.

We are using different graphs (speedometer, etc...) on one web-template and we want to refresh them automatically in regular intervals (every 1 min). But we do not want to refresh the whole website - but only the specific BW elements within the website.

Is there any way we can do this?

Thanks a lot for your support.

Cheers

Joe