How to integrate Ckeditor in my site?

</script><script type="text/javascript" src="fckeditor/fckeditor.js"></script>
<script type="text/javascript">
window.onload = function()
{
var oFCKeditor = new FCKeditor( 'message' ) ;
oFCKeditor.BasePath = "/forum/fckeditor/" ;
oFCKeditor.Width = 1000 ;
oFCKeditor.Height = 500 ;
oFCKeditor.ReplaceTextarea() ;
}
</script>