//Browser Support Code
function ajaxFunction(){
 var ajaxRequest;  // The variable that makes Ajax possible!
 try{
   // Opera 8.0+, Firefox, Safari
   ajaxRequest = new XMLHttpRequest();
 }catch (e){
   // Internet Explorer Browsers
   try{
      ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
   }catch (e) {
      try{
         ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
      }catch (e){
         // Something went wrong
         alert("Your browser broke!");
         return false;
      }
   }
 }
 // Create a function that will receive data 
 // sent from the server and will update
 // div section in the same page.
 ajaxRequest.onreadystatechange = function(){
   if(ajaxRequest.readyState == 4){
      if(ajaxRequest.status != 200) {
	alert("php error");
      }
      var ajaxDisplay = document.getElementById('ajaxDiv');
      ajaxDisplay.value = ajaxRequest.responseText;
      ajaxDisplay.innerHTML = ajaxRequest.responseText;
      
   }
 }

  var num = document.getElementById('num').value;
  var type = document.getElementById('type').value;
  var sector= document.getElementById('sector').value;

  var queryString = "?num=" + num;
  var queryString = "http://localhost:8080/website/experience.php" + queryString + "&type=" + type + "&sector=" + sector;
  ajaxRequest.open("GET",queryString, true);
  ajaxRequest.send(null);
 
}