function doTeaserContent(fileName) {
  //document.getElementById("teasershows").innerHTML="Test Text";//"<img class='loading_image' src='images/loading.gif' />";
  //alert("doMain")
	var myAjax = new Ajax.Request(fileName, {
    method: 'get',
    requestHeaders: [ 'if-modified-since', 'Sat, 1 Jan 2000 00:00:00 GMT'],
    onComplete: showNextShowTeaserContent
  });
}

function showNextShowTeaserContent(originalRequest) {
  document.getElementById("teasershows").innerHTML=originalRequest.responseText;
  document.getElementById("teasershows").scrollTop=0;
}