Hi Rick
To disable try removing the following from your templates scripts.php (../templates/j51_metropolis/php/scripts.php)..
<!--[if lte IE 7]>
<style type="text/css">
#ie6msg{border:3px solid #eee; background:#fff; padding:20px;color:#000; margin:100px auto; width: 600px;}
#ie6msg h4{margin: 8px; padding:0;}
#ie6msg p{margin: 8px; padding:0;}
#ie6msg p a.getie7{font-weight:bold; color:#006;}
#ie6msg p a.ie6expl{font-weight:bold; color:#006;}
#body_bg {display:none;}
</style>
<div id="ie6msg">
<h4>Did you know that your browser is out of date?</h4>
<p>The site you are visiting can only be viewed using a modern browser. Please upgrade your browser to increase safety and your browsing experience. We strongly recommend upgrading to either <a href="http://www.getfirefox.com/">Firefox</a>, <a href="http://www.opera.com/">Opera</a>, <a href="http://www.apple.com/safari/">Safari</a>, <a href="http://www.google.com/chrome">Google Chrome</a>, or a more recent version of <a href="http://www.microsoft.com/windows/downloads/ie/getitnow.mspx">Internet Explorer</a>.</p>
<![endif]-->
Ciarán
