preCache_1 = new Image();
preCache_1.src = "/img/menu_hover.jpg"; 

preCache_2 = new Image();
preCache_2.src = "/img/verlauf_trailer_starten_hover.jpg"; 

preCache_3 = new Image();
preCache_3.src = "/img/verlauf_next_prev_hover.jpg"; 

function VorschauVideo(trailer) {
  document.getElementById('bilder_text').style.display="none";
  //document.getElementById('link_kompletter_film1').style.display="";
  document.getElementById('link_kompletter_film2').style.display="";
  document.getElementById('link_vorschau_video').style.display="none";
//  document.getElementById('tr_1').style.display="";
  document.getElementById('iframe_trailer').src="/trailer.php?url="+trailer;
  document.getElementById('iframe_div').style.display="";
}