var xmlhttp;

function showCode()
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }


var url="getcode.php";
url=url+"?sid="+Math.random();

if (document.src.cname.value.length > 0){
var cnamestr=document.src.cname.value;
url=url+"&cname="+cnamestr;
}

if (document.src.email.value.length > 0){
var emailstr=document.src.email.value;
url=url+"&email="+emailstr;
}

if (document.src.tel.value.length > 0){
var telstr=document.src.tel.value;
url=url+"&tel="+telstr;
}

if (document.src.comment.value.length > 0){
var commentstr=document.src.comment.value;
url=url+"&comment="+commentstr;
}

//if (document.src.file.value.length > 0){
var filestr=document.src.docfile.value;
url=url+"&docfile="+filestr;
//}

xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

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