var rottarget = null;

function processqrechner() { 
  if (req.readyState == 4) { // Complete
    if (req.status == 200) { // OK response 
	  document.getElementById(rottarget).innerHTML =  req.responseText; //  + '<div id="chatlastelement"></div>';
	}
	} else {
      // alert("Problem: " + req.statusText);
      }
  }



function qrechShow(rubrik,ziellink) {
	
   rottarget = ziellink;
   
  // document.getElementById('qrechnerrot').innerHTML =  '<img src="/images/loading.gif" />';

  url = "/parts/quickrechner_feed.php?id=" + rubrik; //  + "&" + Math.random();	
   
  if (window.XMLHttpRequest) { // Non-IE browsers
    req = new XMLHttpRequest();
    req.onreadystatechange = processqrechner;
    try {
      req.open("GET", url, true);
    } catch (e) {
      //      alert(e);
    }
    req.send(null);
  } else if (window.ActiveXObject) { // IE
    req = new ActiveXObject("Microsoft.XMLHTTP");
    if (req) {
      req.onreadystatechange = processqrechner;
      req.open("GET", url, true);
      req.send();
    }
  }

}