Demo Code:

<link rel="stylesheet" href="/richtexteditor/rte_theme_default.css" />
<script type="text/javascript" src="/richtexteditor/rte.js"></script>
<script type="text/javascript" src='/richtexteditor/plugins/all_plugins.js'></script>

<div id="div_editor1">
	<p>Hello world!</p>
	<p><img src='/images/editor-image.png' /></p>
</div>
<script>
var editor1 = new RichTextEditor("#div_editor1", { editorResizeMode: "both" });
</script>