var xmlHttp;

function getSlevy(i,id,city,category)
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request");
 return;
 }

var i;
var id;
var city;
var category;

if(document.getElementById(id).checked){

	
var url="http://localhost:8888/sleving/ajaxslevy.php";
url=url+"?id="+id+"&city="+city+"&category="+category;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);


function stateChanged()
{
 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
  document.getElementById("slevy").
  innerHTML=xmlHttp.responseText;
 }
}
}
}