Please set the following property to true then try again:
Editor.EditCompleteDocument Property
Specify whether a complete HTML document is being edited.
Example Code
<?php
$editor=new CuteEditor();
$editor->ID="Editor1";
$editor->Text="Type here";
$editor->FilesPath="CuteEditor_Files";
$editor->EditCompleteDocument=true;
$editor->Draw();
$editor=null;
//use $_POST["Editor1"]to catch the data
?>
Remarks
If false, the editor will only process content inside the page body i.e. all content inside of the <body>...</body> tags of a page. If true, the editor will process content outside the page body and preserve header tags (e.g. <head>...</head>, <title>...</title>, etc.).
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