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    copied!<p>How about this? Puts a polite notification bar at the top of the page. (Courtesy <a href="http://think2loud.com/build-an-unsupported-browser-warning-with-jquery/" rel="nofollow noreferrer">think2loud</a>, see this link for full source, sample, css, etc.).</p> <pre><code>function badBrowser(){ if($.browser.msie &amp;&amp; parseInt($.browser.version) &lt;= 6){ return true;} return false; } function getBadBrowser(c_name) { if (document.cookie.length&gt;0) { c_start=document.cookie.indexOf(c_name + "="); if (c_start!=-1) { c_start=c_start + c_name.length+1; c_end=document.cookie.indexOf(";",c_start); if (c_end==-1) c_end=document.cookie.length; return unescape(document.cookie.substring(c_start,c_end)); } } return ""; } function setBadBrowser(c_name,value,expiredays) { var exdate=new Date(); exdate.setDate(exdate.getDate()+expiredays); document.cookie=c_name+ "=" +escape(value) + ((expiredays==null) ? "" : ";expires="+exdate.toGMTString()); } if(badBrowser() &amp;&amp; getBadBrowser('browserWarning') != 'seen' ){ $(function(){ $("&lt;div id='browserWarning'&gt;You are using an unsupported browser. Please switch to &lt;a href='http://getfirefox.com'&gt;FireFox&lt;/a&gt;, &lt;a href='http://www.opera.com/download/'&gt;Opera&lt;/a&gt;, &lt;a href='http://www.apple.com/safari/'&gt;Safari&lt;/a&gt; or &lt;a href='http://www.microsoft.com/windows/downloads/ie/getitnow.mspx'&gt;Internet Explorer 7&lt;/a&gt;. Thanks!&amp;nbsp;&amp;nbsp;&amp;nbsp;[&lt;a href='#' id='warningClose'&gt;close&lt;/a&gt;] &lt;/div&gt; ") .css({ backgroundColor: '#fcfdde', 'width': '100%', 'border-top': 'solid 1px #000', 'border-bottom': 'solid 1px #000', 'text-align': 'center', padding:'5px 0px 5px 0px' }) .prependTo("body"); $('#warningClose').click(function(){ setBadBrowser('browserWarning','seen'); $('#browserWarning').slideUp('slow'); return false; }); }); } </code></pre>
 

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