Code:
http://www.silkfabricwholesale.com/silk-charmuese/16mm-silk-charmeuse-fabric.html
i add some html content under the category-products div.

eg:

<h1 style="overflow: hidden;clear: both; height: 100px;border:1px solid red;color: red;">test</h1>....
when i refresh the page, the content show with a blash, then are hidden. why? how to correct it?

find if you forbid the js,all the content can show.what a werid thing