<FORM name="f" id="order-form">
                    <p>
                      <strong>Опрос</strong>
                      <?
$mysql_link = mysql_connect("***");
                  mysql_select_db(***);


        $sql = ***';
        
$result = mysql_query($sql);
$op=mysql_fetch_array($result);


?>
                      <? echo $op[vopros]; ?> </p>
                    <p align="left">
                   <div id="main-page2" >   <input name="radiobutton" id="radiobutton" type="radio" value="1">
                      <? echo $op[otvet1]; ?><br>
                      <input name="radiobutton" id="radiobutton" type="radio" value="2">
                      <? echo $op[otvet2]; ?><br>
                      <input name="radiobutton" id="radiobutton" type="radio" value="3">
                      <? echo $op[otvet3]; ?><br>
                      <input name="radiobutton" id="radiobutton" type="radio" value="4">
                      <? echo $op[otvet4]; ?>
                      <input name="id222" type="hidden" id="id222" value="1">
                      <br>
                      <input name="radiobutton" id="radiobutton" type="radio" value="5">
                      <? echo $op[otvet5]; ?> <br>
                      <INPUT  type="button" value="Голосовать"  onClick="submitOrder();" >
                    </div>

                                          </p>
                 </FORM>

function showConfirmation() {
  if (request.readyState == 4) {
    if (request.status == 200) {
      var response = request.responseText;
      // Locate form on page
      var mainDiv = document.getElementById("main-page2");
      var orderForm = document.getElementById("order-form");

      // Create some confirmation text
      pElement = document.createElement("p");
      textNode = document.createTextNode(response);
      pElement.appendChild(textNode);

      // Replace the form with the confirmation
      mainDiv.replaceChild(pElement, orderForm);
    } else {
      var message = request.getResponseHeader("Status");
      if ((message == null) || (message.length <= 0)) {
        alert("Error! Request status is " + request.status);
      } else {
        alert(message);
      }
    }
  }
}

<?
if (ini_get('register_globals') != 1) {
       $supers = array("_REQUEST","_ENV","_SERVER","_POST","_GET",
"_COOKIE","_SESSION","_GLOBALS");
       foreach ($supers as $__s) {
           if ((isset($$__s) == true) && (is_array($$__s) == true))
extract($$__s, EXTR_OVERWRITE);
       }
       unset($supers);
}
global $mode;
if (!$mode){
?>
<script language="">
<!-- Script Begin
var request;
function createRequest(){
try {
  request = new XMLHttpRequest();
} catch (trymicrosoft) {
  try {
    request = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (othermicrosoft) {
    try {
      request = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (failed) {
      request = false;
    }
  }
}
if (!request)
  alert("Error initializing XMLHttpRequest!");
}

function selec(){
createRequest();
     var r = document.form.t.value;
     var url = "?mode=sel&tx="+r;
     request.open("GET", url, true);
     request.send(null);
    request.onreadystatechange = updatePage1;
}

function updatePage1() {
     if (request.readyState == 4) {
       if (request.status == 200) {
          response = request.responseText;
          document.all.TS.innerHTML =  response;
       } else
         alert("status is " + request.status);
     }
   }


function ajax(){
createRequest();
    document.form.txt.value="";
    document.form.txt.style.background="#A6A6A6";

     var r = document.form.t.value;
     var url = "?mode=as&tx="+r;
     request.open("GET", url, true);
     request.send(null);
    request.onreadystatechange = updatePage;
}
function updatePage() {
     if (request.readyState == 4) {
       if (request.status == 200) {
    document.form.txt.style.background="#FFFFFF";
          response = request.responseText;
          document.all.clock.innerHTML =  response;
          document.form.txt.value = response;
       } else
         alert("status is " + request.status);
     }
   }
function select(){
document.form.txt.value = document.form.test.value;
}
//  Script End -->
</script>
<body onload="">
<form name="form">

<input type="text" name="t" size="40" maxlength="256"><br>
<div id="TS"></div>
<textarea name="txt" cols="42" rows="9" style="border: solid 1px #000000;" language="HTML"></textarea>

<input type="button" value="test" onclick="ajax();">
<input type="button" value="test_sel" onclick="selec();">
</form>
<DIV ID="clock">
</DIV>                      
</body>
<?
}
if ($mode=="as"){
    for ($i=0;$i<500;$i++){
        echo "\r\n $tx - $i <br>";
    }
}

if ($mode=="sel"){
echo "<select name=\"test\" onchange=\"select()\">";
    for ($i=0;$i<500;$i++){
        echo "<option value=\"$i\">$i -> $tx</option>";
    }
echo "</select>";
}

?>

function selec(){
createRequest();
     var r = document.form.t.value;
     var url = "?mode=sel&tx="+r;
     request.open("GET", url, true);
     request.send(null);
       // продолжаем работать в данной функции

if (request.readyState == 4) {
       if (request.status == 200) {
          response = request.responseText;
          document.all.TS.innerHTML =  response;
       } else
         alert("status is " + request.status);
     }
}

function selec(){
createRequest();
     var r = document.form.t.value;
     var url = "?mode=sel&tx="+r;
     request.open("GET", url, true);
     request.send(null);
    request.onreadystatechange = updatePage1; //вызываем вункцию
}

function updatePage1() {
     if (request.readyState == 4) {
       if (request.status == 200) {
          response = request.responseText;
          document.all.TS.innerHTML =  response;
       } else
         alert("status is " + request.status);
     }
   }