var xmlhttp;

function incarcat(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="build_form.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();

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

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

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 incarca()
{
//alert("ok!");
continut='<table width="100%">';
continut+='<tr><td  width="41%"> a</td> <td> <input type="text" value="new button!"></td> </tr>';
continut+='<tr><td>b</td><td> <input type="text" value="new button!"></td></tr>';
continut+='</table>';
document.getElementById("extra_fields").innerHTML=continut;
}