I have two charts overlaid on a web page written in ASP.net (client-side charts) with only one at a time visible (selected via radio buttons by user). However, a printout of the web page shows both charts (pretty messy looking). How can I correct this?

I'm fairly new to programming web apps and all I've really learned thus far is ASP.Net. I'm not very familiar with the older technologies. I've successfully used the TeeChart .net in web apps but we need some of the functionality of the ActiveX versions (i.e. zoom, select trends to be displayed) and...