// uses prototype

// GLOBALNE VARIJABLE
var CaptchaImageName = "";
var CaptchaHiddenValueID = "";


function setHiddenValue(AVal) {
  
  // postavi hidden value
  var hidd = document.getElementById(CaptchaHiddenValueID);
  hidd.value = AVal;

  // promijeni i url za image
  var url = "/TCaptchaRefreshHandler.aspx?HiddenValue="+AVal;
  new Ajax.Request(url,
    {
      method:'get',
      onSuccess: function(transport){
        var response = transport.responseText || "";
        document.images[CaptchaImageName].src = response;
      },
      onFailure: function(){ }
    }); 
}

function refreshCaptchaControl(imageName, hiddenValueID){
  CaptchaImageName = imageName;
  CaptchaHiddenValueID = hiddenValueID;

  var url = "/TCaptchaRefreshHandler.aspx";
  new Ajax.Request(url,
    {
      method:'get',
      onSuccess: function(transport){
        var response = transport.responseText || "";
        setHiddenValue(response);
      },
      onFailure: function(){ }
    });
  
}