在用户类型的同一页面上以HTML格式显示FCKeditor输入数据？

I am currently playing around with the FCKEditor, and I am trying to replicate how stack overflow shows exactly how your post will look in HTML as you type it up. My FCKEditor creates just fine, I just don't know how to go about accessing the editor data once it is created. What I want to do is get the html from the editor and then put it into the I am currently playing around with the FCKEdito