//######################### AJAX ########################

function createRequestObject() {
  var rObj;
  var browser=navigator.appName;
  if(browser=='Microsoft Internet Explorer'){
    rObj=new ActiveXObject('Microsoft.XMLHTTP');
  }else{
    rObj=new XMLHttpRequest();
  }
  return rObj;
}

var http=createRequestObject();

function sndReq(url) {
  http.open('get',url);
  http.onreadystatechange=handleResponse;
  http.send(null);
}

function handleResponse() {
  if(http.readyState==4){
    var response=http.responseText;
    eval(response);
  }
}

function invoice()
{
  var subtotal=0;
  var vat=0;
  var total=0;
  var payment=0;
  
  for(i=1;i<8;i++)
  {  
    if (document.getElementById(i).checked==true)
    {
      subtotal=Number(subtotal)+Number(document.getElementById(i).value);
    }
  }
      document.getElementById('subtotal').innerHTML=Math.round( (subtotal*100),2 )/100;
      document.getElementById('vat').innerHTML=(Math.round((subtotal*0.215*100),2)/100);
      document.getElementById('total').innerHTML=Math.round( ((Number(document.getElementById('vat').innerHTML)+Number(document.getElementById('subtotal').innerHTML))*100),2)/100;
      document.getElementById('payment').innerHTML=Math.round( ((Number(document.getElementById('vat').innerHTML)+Number(document.getElementById('subtotal').innerHTML))*100),2)/100;
    
}

  function kinyit_becsuk(id,eloke)
  {
    if (document.getElementById(id).style.display=="block") document.getElementById(id).style.display="none";
    else document.getElementById(id).style.display="block";
    if (eloke=="yes")
    {
      if ((document.getElementById('eloke').src.search("leloke.png"))>0) document.getElementById('eloke').src="./images/eloke.png";
      else document.getElementById('eloke').src="./images/leloke.png";
    }
  }


function check_value(value)
{
  if (value==10) document.getElementById('districts').style.display='block';
}