function AjaxSend(text,tagid) {
  var ajax = (window.XMLHttpRequest ? new XMLHttpRequest() : (window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : false));
  // if(!ajax){ alert("XMLHttpRequest Error!"); return true; }
  ajax.onreadystatechange= function () { AjaxMake(ajax,tagid); }
  ajax.open("GET", js_ADIR+"/index.php?"+js_WEBGET+"="+js_introduction+"&lng="+js_lang+"&adr="+js_ADIR+"&show="+text, true);
  ajax.send(null);
  return false;
}

function AjaxMake(ajax,tagid) {
  var txt;
  if (ajax.readyState == 4) { // odpoved OK
    if(ajax.status == 200 || ajax.status==0) { txt=ajax.responseText; document.getElementById(tagid).innerHTML=txt; }
    else { alert("Error: "+ ajax.status +":"+ ajax.statusText); }
  }
}