function callAHAH(url, pageElement, callMessage, errorMessage) { document.getElementById(pageElement).innerHTML = callMessage; try { req = new XMLHttpRequest(); /* e.g. Firefox */ } catch(e) { try { req = new ActiveXObject("Msxml2.XMLHTTP"); /* some versions IE */ } catch (e) { try { req = new ActiveXObject("Microsoft.XMLHTTP"); /* some versions IE */ } catch (E) { req = false; } } } req.onreadystatechange = function() {responseAHAH(pageElement, errorMessage);}; req.open("GET",url,true); req.send(null); }


function responseAHAH(pageElement, errorMessage) {
  if(req.readyState == 4) { 
    if(req.status == 200) {
      output = req.responseText;
      var me=document.getElementById(pageElement)
      me.innerHTML = output;
      window.sorttable.makeSortable(document.getElementById("songstable"))
    } else {
      document.getElementById(pageElement).innerHTML = errorMessage+"\n"+responseText;
    }
  }
}