var slideshow_method = 1;
var slideshow_image = 1;
var slideshow_fade = slideshow_speed/10;

$(document).ready( function() {
  // bilder vorladen  
  var preload = new Array();
  for (i = 0; i < slideshow_items.length; i++) {
    preload[i] = new Image();
    preload[i].src = slideshow_items[i];
  }
  window.setTimeout('slideshow_timer()', slideshow_speed);

});

function slideshow_timer() {

  if (slideshow_method == 1) {
    $("div#teaser").css("backgroundImage", "url("+slideshow_items[slideshow_image]+")");
    $("div#teaser img").fadeOut(slideshow_fade);
    slideshow_method = 0;
  } else {
    $("div#teaser img").attr("src", slideshow_items[slideshow_image]);
    $("div#teaser img").fadeIn(slideshow_fade, function() {
      $("div#teaser").css("backgroundImage","none");
    });
    slideshow_method = 1;
  }

  slideshow_image++;
  if (slideshow_image >= slideshow_items.length) {
    slideshow_image = 0;
  }

  if (((slideshow_image == 0) && (slideshow_loop == 1)) || (slideshow_image != 0)) {
    window.setTimeout('slideshow_timer()', slideshow_speed);
  }
}