Is FCKeditor can support Div/CSS?

Hello everyone,I have one question:
Is FCKeditor can support CSS/Div ?

I want to drag CSS/DIV in FCKeditor ,so I tried to insert DIV into FCKeditor,I design it in DreamWeaver and copied it into FCKeditor ,my html code as follow,
+++++++++++++++++++++++++++++++++

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title>test page</title>
<style type="text/css">

</style>
</head>

<body>
<div id="Layer1"></div>
</body>
</html>
+++++++++++++++++++++++++++++++++
but finally I found it can not support DIV,or I do not know how to do it?

Is there anyone know how to solve it?
Thank you very much!