var fTime = true;
//var newImg = new Image();
//   addEvent(window,'load',photoShufflerLaunch,false); 
 //  window.addEvent('load', photoShufflerLaunch);


   function photoShufflerFadeIn()
  {
  	var theimg = document.getElementById(gblPhotoShufflerImgId);
	//var titolo = document.getElementById(gblPhotoShufflerTitoloId);
	if(fTime){
	//	theimg.width = "27"+escape("%");
	//	theimg.height = "27"+escape("%");
		theimg.style.paddingTop = '0px';
		fTime = false;
	}
  	// determine delta based on number of fade seconds
	// the slower the fade the more increments needed
        var fadeDelta = 100 / (30 * gblFadeSeconds);

	// fade top out to reveal bottom image
	if (gblOpacity > 100-2*fadeDelta ) 
	{
		gblOpacity = 100;
	  // stop the rotation if we're done

	  // pause before next fade
          setTimeout(photoShufflerFadeOut,gblPauseSeconds*1000);
	}
	else
	{
	  gblOpacity += fadeDelta;
	  setOpacity(theimg,gblOpacity);
	 // setOpacity(titolo,gblOpacity);
	  setTimeout(photoShufflerFadeIn,30);  // 1/30th of a second
	}
  }

  function photoShufflerFadeOut()
  {
  	var theimg = document.getElementById(gblPhotoShufflerImgId);
	//var titolo = document.getElementById(gblPhotoShufflerTitoloId);
  	// determine delta based on number of fade seconds
	// the slower the fade the more increments needed
        var fadeDelta = 100 / (30 * gblFadeSeconds);

	// fade top out to reveal bottom image
	if (gblOpacity < 2*fadeDelta ) 
	{
	  // stop the rotation if we're done
	  if (gblImageRotations < 1){
           return;
          }
	  photoShufflerShuffle();
	  photoShufflerFadeIn();
	  
	  // pause before next fade
       //   setTimeout(photoShufflerFadeOut,gblPauseSeconds*1000);
	}
	else
	{
	  gblOpacity -= fadeDelta;
	  setOpacity(theimg,gblOpacity);
	  //setOpacity(titolo,gblOpacity);
	  setTimeout(photoShufflerFadeOut,30);  // 1/30th of a second
	}
  }
  
 
  function photoShufflerLaunch()
  {
  	var theimg = document.getElementById(gblPhotoShufflerImgId);
        gblStartImg = theimg.src; // save away to show as final image
	
	document.getElementById(gblPhotoShufflerDivId).style.backgroundImage='url(' + gblImg[gblOnDeck] + ')';
	setTimeout(photoShufflerFadeOut,2.5*1000);
  }



  function photoShufflerShuffle()
  {
	var thediv = document.getElementById(gblPhotoShufflerDivId);
	var theimg = document.getElementById(gblPhotoShufflerImgId);
	var theanchor = document.getElementById(gblPhotoShufflerAnchorId);
	
	//var titolo = document.getElementById(gblPhotoShufflerTitoloId);
	var height = 0;
	var width = 0;
	
	theimg.src = escape(gblImg[gblOnDeck]);
/*
	while(width<=0){
	theimg.src = escape(gblImg[gblOnDeck]);
	newImg = new Image();
	newImg.src = escape(gblImg[gblOnDeck]);
	height = newImg.height;
	width = newImg.width;
	var coeff = 1;
	if(width>220&&width>0){
        coeff = 220/width;
        }
	width = width*coeff;
	height = height*coeff;
	if(height>330&&height>0){
		coeff = 330/height;
		width = width*coeff;
		height = height*coeff;
	}
	gblOnDeck = ++gblOnDeck % gblDeckSize;
	}
	*/
	// copy div background-image to img.src
	//theanchor.href = theimg.src;
	theimg.alt = gblTitoli[gblOnDeck];
	theanchor.title = gblTitoli[gblOnDeck];
	theanchor.href = escape(gblImgBig[gblOnDeck]);
	theimg.width = gblImgW[gblOnDeck];
	theimg.height = gblImgH[gblOnDeck];
	//theimg.width = width;
	//theimg.height = height;
	// set img opacity to 100
	//setOpacity(theimg,100);

	
        // shuffle the deck
	gblOnDeck = ++gblOnDeck % gblDeckSize;
	// decrement rotation counter
	if (--gblImageRotations < 1)
	{
	  // insert start/final image if we're done
	  gblImg[gblOnDeck] = gblStartImg;
	}

	// slide next image underneath
	thediv.style.backgroundImage='url(' + gblImg[gblOnDeck] + ')';
  }

  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;
  }

if (window.addEvent){
 window.addEvent("load", photoShufflerLaunch); 
} 
else if (window.addEventListener){
 window.addEventListener("load", photoShufflerLaunch, false); 
}