If you have installed the FCKeditor and you see this, the editor without a toolbar,
take a look in your template.htm and search for your <body> tag.
If you see two strings like this,
<?php echo onload();?>
you find the mistake.
<?php echo onload();?> must be include in the <body> tag!
The correct Syntax is
<body <?php echo onload();?>>
This is the modified version of my FCKeditor with a smaller toolbar for my template.
Hope to help