function im_track() {
    var track = new Array();  
    
    nc('a[class*=tc__]').each(function(idx, item) {
       var tmp = item.className.match(/ ?tc__[a-zA-Z0-9-_]* ?/g);
       if (tmp!=null){
          tmp = tmp[0].replace(/\s/,'');
          tmp = tmp.split('__');
          if (tmp[1]!=null){ // tracking id is known
             var id = tmp[1];
             var attr = "";
             if (tmp[2]!=null && tmp[2]!=''){ // attribute is known
                attr = tmp[2];
             }
             track.push(id+","+attr+",1");
          }
       }
    });
    
    if (track.length>0){
       nc.ajax({
          type: 'POST',
          url: '/wohnen/pcout.php',
          data: {'cpm[]': track, 'ts': Math.round(new Date().getTime()/1000)}
        });
    }
}
im_track();