http = getHTTPObject();
 
function getHTTPObject(){
  var xmlhttp;
 
  /*@cc_on
 
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    }catch(e){
      try{
      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }catch(E){
      xmlhttp = false;
    }
  }
  @else
    xmlhttp = false;
  @end @*/
 
  if(!xmlhttp && typeof XMLHttpRequest != 'undefined'){
    try {
      xmlhttp = new XMLHttpRequest();
    }catch(e){
      xmlhttp = false;
    }
  }
 
  return xmlhttp;
}
 
function doMath(){

var tachobox;
var trackbox;
var podbox;
var invoicebox;
var satnavbox;
var defectbox;
var autojobbox;
var webbox;
var flexreportbox;
var numusersbox;
var licbox;
var add;

if(document.getElementById('tacho').checked == true){
tachobox = document.getElementById('tacho').value;

}else{
tachobox = 'No';
}

if(document.getElementById('track').checked == true){
trackbox = document.getElementById('track').value;

}else{
trackbox = 'No';
}

if(document.getElementById('pod').checked == true){
podbox = document.getElementById('pod').value;

}else{
podbox = 'No';
}

if(document.getElementById('invoice').checked == true){
invoicebox = document.getElementById('invoice').value;

}else{
invoicebox = 'No';
}

if(document.getElementById('satnav').checked == true){
satnavbox = document.getElementById('satnav').value;

}else{
satnavbox = 'No';
}

if(document.getElementById('defect').checked == true){
defectbox = document.getElementById('defect').value;

}else{
defectbox = 'No';
}

if(document.getElementById('autojob').checked == true){
autojobbox = document.getElementById('autojob').value;

}else{
autojobbox = 'No';
}

if(document.getElementById('web').checked == true){
webbox = document.getElementById('web').value;

}else{
webbox = 'No';
}

if(document.getElementById('flexreport').checked == true){
flexreportbox = document.getElementById('flexreport').value;

}else{
flexreportbox = 'No';
}




var radio_choice_mgr = false; 
var licenseList = document.getElementsByName('lic');

  for (counter = 0; counter < licenseList.length; counter++) {  
    // If a radio button has been selected it will return true  
    // (If not it will return false)  
    if (licenseList[counter].checked) { 
      radio_choice_mgr = true;  
	  licbox = licenseList[counter].value;
	
    } 
  } 




add = 'add';

  var url = "backend.php?op=" + add;
  url += "&tacho=" + tachobox;
  url += "&track=" + trackbox;
  url += "&pod=" + podbox;
  url += "&invoice=" + invoicebox;
  url += "&satnav=" + satnavbox;
  url += "&defect=" + defectbox;
  url += "&autojob=" + autojobbox;
  url += "&web=" + webbox;
  url += "&flexreport=" + flexreportbox;
  url += "&lic=" + licbox;
  url += "&numusers=" + document.getElementById('numusers').value;


  http.open("GET", url, true);
  http.onreadystatechange = handleHttpResponse;
 
  http.send(null);
}
 
function handleHttpResponse(){
  if(http.readyState == 4){
    document.getElementById('answer').innerHTML = http.responseText;
  }
}