function getXMLHttp()
{
  var xmlHttp

  try
  {
    //Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    //Internet Explorer
    try
    {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch(e)
    {
      try
      {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch(e)
      {
        alert("Your browser does not support AJAX!")
        return false;
      }
    }
  }
  return xmlHttp;
}

function DueDatePonderado()
{
  var xmlHttp = getXMLHttp();
  
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      DueDatePonderadoHandleResponse(xmlHttp.responseText);
    }
  }

  var form = document.adminForm;
  var PRIORITYObj = form.id_priority ;	// o indice da prioridade para agarrar o tempo
  var SUPPORTUSERObj = form.assign_to ;	// o indice do utilizador de support para verificar-mos o horário e férias
  var WORKGROUPObj = form.id_workgroup ; 	// o indice do ticket (para obtermos o departamento, etc....)
  var TICKETObj = form.ticketmask ; 	// o indice do ticket (para obtermos o departamento, etc....)
  var id_priority = PRIORITYObj.value;
  var id_supportuser = SUPPORTUSERObj.value;
  var id_workgroup = WORKGROUPObj.value;
  
  xmlHttp.open("GET", "http://nvctraining.com/1A/components/com_maqmahelpdesk/js/ajax_duedate.php?p="+id_priority+"&s="+id_supportuser+"&w="+id_workgroup, true); 
  xmlHttp.send(null);
}

function DueDatePonderadoHandleResponse(response)
{
  //document.getElementById('ResponseDiv').innerHTML = response;
  /* pegar na resposta e partir em dois para distribuir em data e hora */
  //document.getElementById('duedate_date').value = response; devolve algo como 2008-10-10 23:00:00
  var due=response.split(" "); 
  // caixa de texto da data: duedate_date
  document.getElementById('duedate_date').value = due[0];
  // caixa de selecção das horas: duedate_hours
  document.getElementById('duedate_hours').value = due[1];	// backoffice
 // document.getElementById('duedate_hour').value = due[1]; // frontend
}