var agt=navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();
var is_minor = parseFloat(appVer);
var is_major = parseInt(is_minor);

var iePos  = appVer.indexOf('msie');
if (iePos !=-1)
{
   is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)))
   is_major = parseInt(is_minor);
}

var is_safari = ((agt.indexOf('safari') != -1) && (agt.indexOf('mac') !=-1 )) ? true : false;
var is_konq = false;
var kqPos = agt.indexOf('konqueror');
if (kqPos != -1)
{                 
    is_konq  = true;
}                                 
var is_khtml  = (is_safari || is_konq);
var is_opera = (agt.indexOf("opera") != -1);
var iePos = appVer.indexOf('msie');
var is_ie = ((iePos!=-1) && (!is_opera) && (!is_khtml));
if (!is_ie || is_major < 5)
	location.replace("not_ie.html");