var	 img = new Image();	
var slideShowSpeed = 6000;
var crossFadeDuration = 3;
var Pic = new Array();
var j = 0;
var imgname;
var timer;					
var index = 0;
var item_number = 16;
var slideshow;
var selimage = 0;

var oxo=1;
var opaa=100;
var opab=0;


function StartSlideShow(){
	timer = setTimeout('runSlideShow()', 2000);
}

function runSlideShow(){
oxo = 1;
selimage = selimage + 1;
if (selimage > 19) {
	selimage = 0;
	}
document.getElementById('divimageb').src = "diapo/"+selimage+".jpg";
defilmage();	
timer = setTimeout('runSlideShow()', slideShowSpeed);
}



function defilmage() {

imaciblea = document.getElementById('divimagea');
imacibleb = document.getElementById('divimageb');

opaa -= 1;
opab += 1;

set_opacity('divimagea',opaa);
set_opacity('divimageb',opab);

if (opab > 100) 
	{
 	opaa = 100;
 	opab = 0;
 	document.getElementById('divimagea').src = document.getElementById('divimageb').src
	set_opacity('divimagea', 100);
	set_opacity('divimageb', 0);
 	return false;
	}

timer = setTimeout('defilmage()', 10);
}

function set_opacity(id, opacity)
{
	el = document.getElementById(id);
    el.style["filter"] = "alpha(opacity="+opacity+")";
    el.style["-moz-opacity"] = opacity/100;
    el.style["-khtml-opacity"] = opacity/100;
    el.style["opacity"] = opacity/100;
    return true;
}