function download(){
    var downloadlink = "http://www.therovinggroup.com/rovingcontacts/rovingcontacts.exe";
    //var downloadlink = "http://www.therovinggroup.com/rovingcontacts/rovingcontacts.exe";
    
//    try {
//        if($('framework_test').select('span').first().innerHTML != "Detected 3.5 SP1 .NET Framework. No update needed."){
//            downloadlink = 'http://www.therovinggroup.com/rovingcontacts/rovingcontacts.exe';
//        }   
//    }
//    catch(err) {
//        downloadlink = 'http://www.therovinggroup.com/rovingcontacts/rovingcontacts.exe';
//    }
        
    window.open(downloadlink,'Download');
    window.location="thankyou.aspx";
}