var req = new XMLHttpRequest();
url = "http://slug.realraum.at/cgi-bin/switch.cgi?power=send&id="+btn;
req.open("GET", url ,false);
+ //google chrome workaround
+ req.setRequestHeader("googlechromefix","");
req.send(null);
//response = req.responseText;
//document.getElementById('output').innerHTML = response;
<table border="0" cellspacing="0" cellpadding="0">
<tr><td id="indicator" style="background-color:white; height:2px;"></td></tr>
-<!-- img width="180" height="941" -->
-<tr><td><img src="rx-v396-remote.png" width="180" height="941" usemap="#ymhremote" id="remoteimg" border="0" /></td></tr>
+<tr><td><img src="rx-v396-remote.png" width="180" height="714" usemap="#ymhremote" id="remoteimg" border="0" /></td></tr>
</table>
<map name="ymhremote">