// JavaScript Document

    var http_request = false;

    function macheRequest(url) {
    
        http_request = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // zu dieser Zeile siehe weiter unten
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');
            return false;
        }
        http_request.onreadystatechange = alertInhalt;
        http_request.open('GET', url, true);
        http_request.send(null);

    }

    function alertInhalt() {
        if (http_request.readyState == 4) {
             var answer = http_request.responseText;
             
        	   //var answer = http_request.responseText;
//        	   if(document.getElementById("inhalt").innerHTML != answer){
                document.getElementById("comment").innerHTML = '<div class="comment_inner">' + answer + '</div>';
//              }
//              else{
//                document.getElementById("inhalt").innerHTML = "";
//              }
        }

    }
//    setInterval("macheRequest('uhrzeit.php')",1000);