/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
var xmlhttp;

function attivaImg()
{
    document.getElementById("txtHint").innerHTML='<center><img src=\'images/loading.gif\' alt=\'Caricamento in corso...\'></center>';
}

function showInfoStruttura(str)
{
    attivaImg();
    xmlhttp=GetXmlHttpObject();
    if (xmlhttp==null)
      {
      alert ("Browser does not support HTTP Request");
      return;
      }
    var url="/area_riservata/preventive/getInfoStruttura.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)
    {
        document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
        setLabelTrattamento(document.forms[0]);
    }
}

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;
}