Fixed the security hole (really, I'm a moron - used $failed > $threshold instead of $failed >= $threashold) and patched up some...erm... math issues
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>{$lang_paste_word_desc}</title>
<script language="javascript" type="text/javascript" src="../../tiny_mce_popup.js"></script>
<script language="javascript" type="text/javascript" src="jscripts/pasteword.js"></script>
<link href="css/pasteword.css" rel="stylesheet" type="text/css" />
<base target="_self" />
</head>
<body onload="tinyMCEPopup.executeOnLoad('onLoadInit();');" onresize="resizeInputs();" style="display: none">
<form name="source" onsubmit="saveContent();" action="#">
<div class="title">{$lang_paste_word_desc}</div>
<div>{$lang_paste_word_title}</div>
<div id="iframecontainer"></div>
<div class="mceActionPanel">
<div style="float: left">
<input type="button" id="insert" name="insert" value="{$lang_insert}" onclick="saveContent();" />
</div>
<div style="float: right">
<input type="button" id="cancel" name="cancel" value="{$lang_cancel}" onclick="tinyMCEPopup.close();" />
</div>
</div>
</form>
</body>
</html>