Script til detect af Internet Explorer < version 8

<script type="text/javascript">
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
 var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
 if (ieversion<8)   document.write("Please upgrade your Internet Explorer");
} 
</script>

<script type="text/javascript">
//<![CDATA[
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
    var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
    if (ieversion<8){   
        document.write("Please upgrade your Internet Explorer");
    }
} 
//]]>
</script>

<!--[if lt IE 7]>
<script type="text/javascript">
    alert("Hent venligt en nyere version af Internet Explorer for at få vist krogerkvartetten.dk korrekt");
</script>
<![endif]-->