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potzzo
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Joined: 27 Jan 2008
Posts: 1

PostPosted: Sun Jan 27, 2008 3:15 pm    Post subject: Stop function Reply with quote

Hi, I have a ajax script which is modifying a textarea onChange; While I'm getting back the response a span is indicating above the specific textarea that the data is loading;
The textarea's id's are comm100, comm101, comm102 and so on and the corresponding span for loading are marked mem100 ... you get it....
When updating the first textarea everything works perfect - The Loading span is showing the message, the message disappears then the txt area is updated;
The problem arises when the second area gets updated;
The second area's span and textarea are working fine but the first area's span will indicate the "Loading" message and would remain like that;
The problem will gradualy arise for every next area I would be updated.
Here's the script I use:


Code:

function selectID(id, comm ) {  // This function does the AJAX request

 
  //  Set our destination PHP page
  http.open("POST", "http://myurl/ajax/post.php", true);
  http.onreadystatechange = getHttpRes;



  // Make our POST parameters string…
  var params =
   "id=" + encodeURI(id)+
   
   "&comm=" + encodeURI(comm);





  // Set our POST header correctly…
  http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http.setRequestHeader("Content-length", params.length);
  http.setRequestHeader("Connection", "close");


  // Send the parms data…
  http.send(params);

      function getHttpRes( ) {
           if (http.readyState < 4) {
            document.getElementById("mem" + id).innerHTML="Loading..";}


           if (http.readyState == 4 && http.status == 200) {
                res = http.responseText;  // These following lines get the response and update the page
               if (res == "expired"){
                  alert ("Session expired \n Relogin")}
            document.getElementById("mem" + id).innerHTML="";
            document.getElementById("txt" + id).value = res;



              }
         }

}



function getXHTTP( ) {
  var xhttp;
   try {   // The following "try" blocks get the XMLHTTP object for various browsers…
      xhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e2) {
        // This block handles Mozilla/Firefox browsers...
       try {
         xhttp = new XMLHttpRequest();
       } catch (e3) {
         xhttp = false;
       }
      }
    }
  return xhttp; // Return the XMLHTTP object
}

var http = getXHTTP(); // This executes when the page first loads.
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