// attiva e disattiva lo slideshow
var attivo=true;
// immagini da visualizzare
var currImg=0;
var currImgTD=1;
var time=6000;


function Modificato_swapImgRestore(doit) { //v3.0
	if (doit){
	  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	  }
}

function rotateimages(){
	if (attivo && immagine.length>0) {

		if (currImgTD>immagine.length-1) currImgTD=0;

		imgTag.src=immagine[currImg];
		imgTD.style.background='url(' + immagine[currImgTD] + ')';

		fadeOut(100,nomeTD);

		currImg ++;
		if (currImg>immagine.length-1) currImg=0;
		
		currImgTD = currImg + 1;
		time=6000;

		MM_swapImage('Play','','img/play_mov.gif',1);
		MM_swapImage('Pause','','img/pause.gif',1);
	}
	else
	{
		time=500;
		MM_swapImage('Play','','img/play.gif',1);
		MM_swapImage('Pause','','img/pause_mov.gif',1);

	}
	setTimeout("rotateimages()",time);	
}

function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari&lt;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;
}

function fadeOut(opacity) {
  if (opacity >= 0) {
	var obj=imgTag;
    setOpacity(obj, opacity);
    opacity -= 10;
    window.setTimeout("fadeOut("+opacity+")", 100);
  }
}

function visualizza(idImg){
	var obj=imgTag;
    setOpacity(obj, 100);
    attivo=false;
	currImg=idImg;
	currImgTD=idImg+1;

}