<!-- start of DetectExplorer6 Code -->
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){
var ieversion=new Number(RegExp.$1)
if (ieversion<=6)
location.replace("/_VersionE6/Sas.asp");
document.cookie = "VisitorDev=" + escape("E6") + "; expires=date+1";
}
<!-- end of DetectExplorer6 Code -->

<!-- start of DetectIphone Code -->
if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)))
{
location.replace("/_VersionIP/Sas.asp");
document.cookie = "VisitorDev=" + escape("IP") + "; expires=date+1";
}
<!-- end of DetectIphone Code -->