function CheckInput () {
  
  if (document.forms[0].elements[0].value == "suchen" || document.forms[0].elements[0].value == "") {
      alert("Bitte einen Suchbegriff eingeben");
      document.forms[0].elements[0].focus();
      return false;
    }
     else {
  return true;
  }
}

var OA_channel = 'pub1/test/preview';

var OA_p=location.protocol=='https:'?'https:':'http:';
var OA_r=Math.floor(Math.random()*99999999);
if (!document.OA_used) document.OA_used = ',';
function OA_adjs(z,n)
{
  if (z>-1) {
    var az="<"+"script language='JavaScript' type='text/javascript' ";
    az+="src='"+OA_p+"//web17.blue.stuon.com/ads/www/delivery/ajs.php?n="+n+"&zoneid="+z;
    az+="&source="+OA_channel+"&exclude="+document.OA_used+"&r="+OA_r;
    az+="&mmm_fo="+(document.mmm_fo)?'1':'0';
    if (document.context) az+= "&context=" + escape(document.context);
    if (window.location) az+="&loc="+escape(window.location);
    if (document.referrer) az+="&referer="+escape(document.referrer);
    az+="'><"+"/script>";
    document.write(az);
  }
}
function OA_adpop(z,n)
{
  if (z>-1) {
    var az="<"+"script language='JavaScript' type='text/javascript' ";
    az+="src='"+OA_p+"//web17.blue.stuon.com/ads/www/delivery/apu.php?n="+n+"&zoneid="+z;
    az+="&source="+OA_channel+"&exclude="+document.OA_used+"&r="+OA_r;
    if (window.location) az+="&loc="+escape(window.location);
    if (document.referrer) az+="&referer="+escape(document.referrer);
    az+="'><"+"/script>";
    document.write(az);
  }
}