function createRequestObject() {
    var ro;
    var browser = navigator.appName; 
    if(browser == "Microsoft Internet Explorer") {
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    } else {
        ro = new XMLHttpRequest();
         ro.overrideMimeType('text/html');
    	}
    return ro;
	}
	
	var http = createRequestObject();

	
  function clickzaehlen(script,id,name,url,doku) {
//		alert(script+"XXX"+id+"XXX"+name+"XXX"+url+"XXX"+doku);
		http.open('POST', script , false);
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = handleResponse;
		http.send('id'+'='+id+'&url='+url+'&seite='+doku);
		return true;
	}
	// Antwort vom Backend auswerten
	function handleResponse() {
	  if(http.readyState == 4){
      var response = http.responseText;
      if (http.status == 200) {
        document.getElementById('suchfeld').value = response;
      } else {
        document.getElementById('suchfeld').value = "Fehler: " + http.status + " " + http.statusText;
      	}
	  }
	}