function touch(msg) {
  var http = getHTTPObject();
  var urlFind = "touchit.php?param=" + escape(msg);
  if (http) {
     http.open("GET", urlFind, true);
     http.onreadystatechange = untouch;
     http.send(null);
     }
  }
function untouch() { }
function getHTTPObject() {
  var xmlhttp;
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
     try { xmlhttp = new XMLHttpRequest(); }
     catch (e) { xmlhttp = false; }
     }
  return xmlhttp;
  }