"To fix this, we simply add a small snippet to the end of the URL to let the page know that we want it to add these paramaters. Add "?wmode=opaque" to the end of the URL."
This document describes how you can scale a Sitecore CMS 6.3 solution by configuring multiple instances in one or more environments, such as Content Management (CM) and Content Delivery (CD). After defining requirements and recommendations for Sitecore CMS 6.3 multi-instance solutions, this document provides instructions to configure CM and CD environments, and describes the steps required to configure an example implementation.