function trackpdflinks(){
  var fileTypes = ['pdf'];

  $('a').click(function() {
    var $a = $(this);
    var href = $a.attr('href');
    var hrefArray = href.split('.');
    var extension = hrefArray[hrefArray.length - 1];
    var hrefsend = href;
    
    if (href.match(/mediadaten/) && ($.inArray(extension,fileTypes) != -1) ) {
      if( href.match(/^http/) ){
        hrefsend = href.replace(/^http:\/\/www.textilwirtschaft.de/g,'');
      }
      pageTracker._trackPageview(hrefsend);
    }
  
  });
}