function blink(speed) {
  if (speed) {
    if (document.all) 
      setInterval("blink()", speed*1000)
    return;
  }
  var blink = document.all.tags("BLINK") 
    for (var i=0; i<blink.length; i++)
    blink[i].style.visibility = blink[i].style.visibility == "" ? "hidden" : "" 
}
blink(0.7);


function rating_stars(bild_id, number) {
  
	for (var i = 1; i <= 5; i++) {
	  if (number >= i) document.getElementById('star_'+bild_id+'_'+ i).src="bilder/star_gold.gif";
	  else document.getElementById('star_'+bild_id+'_'+ i).src="bilder/star_grey.gif";
  }
}