var browser = navigator.appName;
var ver = navigator.appVersion;
var thestart = parseFloat(ver.indexOf("MSIE"))+1 ;//This finds the start of the MS version string.
var brow_ver = parseFloat(ver.substring(thestart+4,thestart+7)) ;//This cuts out the bit of string we need.
if (brow_ver <= 6) //By default the min. IE ver is set to 6. Change as desired.
{
newUrl="http://" + window.location.hostname + "/modules/ie.html";
window.location=newUrl;
}