var xmlhttp

function getdata(str)
{
	//var old=document.getElementById("middle").innerHTML;
	//document.getElementById("middle").innerHTML = old+document.getElementById("loading").innerHTML;
if (str.length==0)
  {
  document.getElementById("middle").innerHTML="";
  return;
  }
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support XMLHTTP!");
  return;
  }
var url="site";
url=url+"/"+str;
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById("middle").innerHTML=xmlhttp.responseText;
  }
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}

function contact(it) {
	var name = document.getElementById('form-name').value;
	var mail = document.getElementById('form-mail').value;
	var msg = document.getElementById('form-msg').value;
	var ok = false;
	
	if(name == "") {
	alert("Please fill your name in the field.");
	return false;
	};
	
	if(mail == "") {
	alert("Please fill your mail in the field.");
	return false;
	};
	
	if(msg == "") {
	alert("Please enter your message.");
	return false;
	};
	
	it=(it+"/"+encodeURI(name)+"/"+encodeURI(mail)+"/"+encodeURI(msg));
	getdata(it);
}