var captcha_check=true;

function reloadSecurityCode(el) {
   var src = el.src;
   var pos = src.indexOf('?');
   var date = new Date();
   if (pos >= 0) {
      par = '&v'+ date.getTime();
   }else{
      par = '?v'+ date.getTime();
   }
   el.src = src+ par ;
   return false;
}

function check_security_code(code,var_name) {
  var check_security_str='';
  document.body.style.cursor='wait';
  try{
    try{
      xmlhttp=new XMLHttpRequest();
    }
    catch(e) {
      var XMLHTTP_IDS=new Array(
      'MSXML2.XMLHTTP.5.0',
      'MSXML2.XMLHTTP.4.0',
      'MSXML2.XMLHTTP.3.0',
      'MSXML2.XMLHTTP',
      'Microsoft.XMLHTTP' );
      var success=false;
      for (var i=0;i < XMLHTTP_IDS.length && !success;i++) {
        try {
            xmlhttp=new ActiveXObject(XMLHTTP_IDS[i]);
            success=true;
        } catch (e) { }
      }
      if (!success) {
        try{
            xmlhttp=new HTML_AJAX_IframeXHR();
        } catch(e) {
          //alert('Sorry. We are unable to load xml file. Please try again later.');
        }
      }
    }
    if(xmlhttp!=null){
        xmlhttp.open("GET", '/security_code.php?code='+code+'&var_name='+var_name, false);     // true 
        xmlhttp.send(null);
      //  xmlhttp.onreadystatechange=function(){
        //  if(xmlhttp.readyState==4){
            if(xmlhttp.status == 200) {
                check_security_str = unescape(xmlhttp.responseText);
            }
       //   }
       // };
        xmlhttp=null
      }
  }
  catch (e) {
  //  alert("Server is not available at this time to process your request.");
  }
  document.body.style.cursor='auto';
  return check_security_str;
}