these are not supported modifications in power store 4. If you would like assistance implementing these modifications, I would suggest signing up for a premiere ticket where we could work with you in a one on one setting to accomplish this.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.