function detectBrowser()
{
var browser=navigator.appName;
var b_version=navigator.appVersion;
var version=parseFloat(b_version);
var ie6orBelow = navigator.appVersion.indexOf('MSIE') < 0 ? false : parseFloat(navigator.appVersion.substring(navigator.appVersion.indexOf('MSIE') + 4)) <= 6;
if (ie6orBelow )
{
alert("Currently the CACTUS Software website does not support Internet Explorer 6 and earlier.  We are working hard to resolve the issues with these browsers.  Check back soon.");
}}