Set Content-type on AJAX login key request to application/json to hopefully block ad injection
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>{$lang_emotions_title}</title>
<script language="javascript" type="text/javascript" src="../../tiny_mce_popup.js"></script>
<script language="javascript" type="text/javascript" src="jscripts/functions.js"></script>
<base target="_self" />
</head>
<body onload="tinyMCEPopup.executeOnLoad('init();');" style="display: none">
<div align="center">
<div class="title">{$lang_emotions_title}:<br /><br /></div>
<table border="0" cellspacing="0" cellpadding="4">
<tr>
<td><a href="javascript:insertEmotion('smiley-cool.gif','lang_emotions_cool');"><img src="images/smiley-cool.gif" width="18" height="18" border="0" alt="{$lang_emotions_cool}" title="{$lang_emotions_cool}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-cry.gif','lang_emotions_cry');"><img src="images/smiley-cry.gif" width="18" height="18" border="0" alt="{$lang_emotions_cry}" title="{$lang_emotions_cry}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-embarassed.gif','lang_emotions_embarassed');"><img src="images/smiley-embarassed.gif" width="18" height="18" border="0" alt="{$lang_emotions_embarassed}" title="{$lang_emotions_embarassed}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-foot-in-mouth.gif','lang_emotions_foot_in_mouth');"><img src="images/smiley-foot-in-mouth.gif" width="18" height="18" border="0" alt="{$lang_emotions_foot_in_mouth}" title="{$lang_emotions_foot_in_mouth}" /></a></td>
</tr>
<tr>
<td><a href="javascript:insertEmotion('smiley-frown.gif','lang_emotions_frown');"><img src="images/smiley-frown.gif" width="18" height="18" border="0" alt="{$lang_emotions_frown}" title="{$lang_emotions_frown}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-innocent.gif','lang_emotions_innocent');"><img src="images/smiley-innocent.gif" width="18" height="18" border="0" alt="{$lang_emotions_innocent}" title="{$lang_emotions_innocent}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-kiss.gif','lang_emotions_kiss');"><img src="images/smiley-kiss.gif" width="18" height="18" border="0" alt="{$lang_emotions_kiss}" title="{$lang_emotions_kiss}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-laughing.gif','lang_emotions_laughing');"><img src="images/smiley-laughing.gif" width="18" height="18" border="0" alt="{$lang_emotions_laughing}" title="{$lang_emotions_laughing}" /></a></td>
</tr>
<tr>
<td><a href="javascript:insertEmotion('smiley-money-mouth.gif','lang_emotions_money_mouth');"><img src="images/smiley-money-mouth.gif" width="18" height="18" border="0" alt="{$lang_emotions_money_mouth}" title="{$lang_emotions_money_mouth}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-sealed.gif','lang_emotions_sealed');"><img src="images/smiley-sealed.gif" width="18" height="18" border="0" alt="{$lang_emotions_sealed}" title="{$lang_emotions_sealed}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-smile.gif','lang_emotions_smile');"><img src="images/smiley-smile.gif" width="18" height="18" border="0" alt="{$lang_emotions_smile}" title="{$lang_emotions_smile}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-surprised.gif','lang_emotions_surprised');"><img src="images/smiley-surprised.gif" width="18" height="18" border="0" alt="{$lang_emotions_surprised}" title="{$lang_emotions_surprised}" /></a></td>
</tr>
<tr>
<td><a href="javascript:insertEmotion('smiley-tongue-out.gif','lang_emotions_tongue_out');"><img src="images/smiley-tongue-out.gif" width="18" height="18" border="0" alt="{$lang_emotions_tongue-out}" title="{$lang_emotions_tongue_out}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-undecided.gif','lang_emotions_undecided');"><img src="images/smiley-undecided.gif" width="18" height="18" border="0" alt="{$lang_emotions_undecided}" title="{$lang_emotions_undecided}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-wink.gif','lang_emotions_wink');"><img src="images/smiley-wink.gif" width="18" height="18" border="0" alt="{$lang_emotions_wink}" title="{$lang_emotions_wink}" /></a></td>
<td><a href="javascript:insertEmotion('smiley-yell.gif','lang_emotions_yell');"><img src="images/smiley-yell.gif" width="18" height="18" border="0" alt="{$lang_emotions_yell}" title="{$lang_emotions_yell}" /></a></td>
</tr>
</table>
</div>
</body>
</html>