var cw = '';

function sendData(element, event) {
   if (event.keyCode == 13) {
     document.getElementById("questionbox").disabled = true;
     var requ = _si_req();
     var question =  document.getElementById("questionbox").value
     var HTML = document.getElementById("aiBox").innerHTML;
     document.getElementById("aiBox").innerHTML = HTML + makeRCaption("userreply", "You",question);
     document.getElementById("questionbox").value = 'Asking....';
     requ.open('GET', '/ai/process.php?question=' + question + '&cw=' + cw);
     requ.onreadystatechange = function() {
        if (requ.readyState == 4 && requ.status == 200) {
          var HTML = document.getElementById("aiBox").innerHTML;
          document.getElementById("aiBox").innerHTML = HTML + makeRCaption("aireply", "Questionbot",getElementTextNS("","aianswer",requ.responseXML.getElementsByTagName("xml")[0],0));
          cw = getElementTextNS("","cw",requ.responseXML.getElementsByTagName("xml")[0],0);
          document.getElementById("questionbox").disabled = false;
          document.getElementById("questionbox").value = '';
        }
     }
     requ.send(null);
   }
}


function makeRCaption(replyclass,ainame, captiontext) {
   var rbox = '<div class="'+replyclass+'">'+
              '   <span class="aiName">'+ainame+':</span>'+
              '   <span class="aiText">'+captiontext+'</span>'+
              '</div>';
   return rbox;
}