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<html>
<head>
<!-- Script by Your Mother
         14.03.2014
 -->
<script type="text/javascript"> <!--
        var xhttp;
        var url_on = "http://jimpachnet.de/pi/on.php";
        var url_off = "http://jimpachnet.de/pi/off.php";
        var checkboxname = "onoff";

        function createXMLHttpRequest() {
           if (window.ActiveXObject) {
                try {
                   // IE 6 and higher
                   xhttp = new ActiveXObject("MSXML2.XMLHTTP");
                } catch (e) {
                    try {
                        // IE 5
                        xhttp = new ActiveXObject("Microsoft.XMLHTTP");
                    } catch (e) {
                        xhttp=false;
                    }
                }
            }
            else if (window.XMLHttpRequest) {
                try {
                    // Mozilla, Opera, Safari ...
                    xhttp = new XMLHttpRequest();
                } catch (e) {
                    xhttp=false;
                }
            }
        }

        function sendRequest_on() {

            if (!xhttp) {
                //alert("An Error occured when trying to initialize XMLHttpRequest!");
                return; // exit
            }

 			alert("On");
            xhttp.open("GET",url_on,true);
            xhttp.onreadystatechange=sendRequest_callback;
            xhttp.send(null);

        }

        function sendRequest_off() {

            if (!xhttp) {
                //alert("An Error occured when trying to initialize XMLHttpRequest!");
                return; // exit
            }

 			alert("Off");
            xhttp.open("GET",url_off,true);
            xhttp.onreadystatechange=sendRequest_callback;
            xhttp.send(null);

        }

        function sendRequest_callback() {
            //alert ( xhttp.readyState);

            if (xhttp.readyState==4 && xhttp.status==200){
            //    alert ( xhttp.responseText );
        }
        }

        function init() {
            createXMLHttpRequest();
        }
        window.onload=init;

        function sendrightrequest(){
                        if(document.getElementsByName(checkboxname)[0].checked){
                        sendRequest_on();
        }else{
                        sendRequest_off();
            }
        }
    // --> </script> </head> <body>

    <form method="get" action="<?php echo basename(__FILE__);?>">
   <p><h4>Schalte die coolste LED der Welt, n&auml;mlich meine!<h4></p>

    <input type="checkbox" name="onoff" value="on" onchange="javascript:sendrightrequest();"> AN/AUS<br>
    </form>
    </body>
    </html>