Hello,
With the help of this article you will be able to change the default document root for your website in WebsitePanel. Please follow these steps,
STEP 1: Login to your WebSitePanel hosting control panel eg.
http://cp.yourdomainname.comSTEP 2: Click on your hosting packages
STEP 3: Click on Web Sites
STEP 4: Select on your domain such as "domainname.com".
STEP 5: At Home Folder tab, select the "Folder in your Hosting Space.
STEP 5: Change the path and click on the Update.
Thank you,