function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}
delay_fading = 10;//50
opacity_step = 20;
function fadeIn(objId,opacity) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity <= 100) {
      setOpacity(obj, opacity);
      opacity += opacity_step;
      window.setTimeout("fadeIn('"+objId+"',"+opacity+")", delay_fading);
    }
  }
}
function fadeOut(nxtPge,opacity) {
  if (document.getElementById) {
    obj = document.getElementById(imageId);
    if (opacity >= 0) {
      if (obj) setOpacity(obj, opacity);
      opacity -= opacity_step;
      window.setTimeout("fadeOut('"+nxtPge+"',"+opacity+")", delay_fading);
    } else document.location.href = nxtPge;
  }
}
function initImage() {
  image = document.getElementById(imageId);
  if (image) { 
    setOpacity(image, 0);
    image.style.visibility = 'visible';
    fadeIn(imageId,0);
  }
}