var myid = "";
var myclass = "";
function cambiaa(myx, myy)
{
	myid = myx;
	myclass = myy;
	if(myclass == "no"){
		cambiab();
	}
	else if(myclass == "si"){
		setTimeout("cambiab()", 10000);
	}
}

function cambiab()
{
document.getElementById(myid).className = myclass;

//mio=document.getElementById(id);
//mio.className=newClass;
//document.getElementById(myid2).className = 'si';
//document["notisia"].display="block";
}
function cambiac(myx, myy)
{
	myid = myx;
	myclass = myy;
	document.getElementById(myid).className = myclass;
}

/*
var desfin = 3;
var desconta = 0;
espera = 5000;

function desaparecer(desx, desy)
{
	if (desy == 'si')
	{
	desconta = desx;
	setTimeout("desaparecerr()", espera);
	}
}

function desaparecerr()
{
	document["despic1"].src = "graphics/prin_"+desconta+".jpg";
	setTimeout("aparecer()", espera);
}

function aparecer()
{
	desconta++;
	if (desconta <=  desfin)
	{
	document["despic1"].src = "graphics/prin_"+desconta+".jpg";
	setTimeout("aparecer()", espera);
	}
	else 
	{
	desconta = 0;
	aparecer();
	}
}
*/

var ct = 1;
var totpic = 3;

function cis(p){
	rv = new Image();
	rv.src = p;
	return rv;
}

function carga(){
	ct++;
	if(ct <= totpic){
		path = "graphics/prin_"+ct+".jpg";
		animg = cis(path);
		setTimeout("cargo(animg)", 500);
	}
	else{
		ct = 1;
		setTimeout("aparece()", 7000);
	}
}

function cargo(){
	if(animg.complete){
		document["despic"+ct].src = animg.src;
		//alert(ct);
		carga();
	}
	else{setTimeout("cargo()", 1000);}
}

function setOpacity(eID, opacityLevel) {
    var eStyle = document.getElementById(eID).style;
    eStyle.opacity = opacityLevel / 100;
    eStyle.filter = 'alpha(opacity='+opacityLevel+')';
}

function aparecemente(eID, startOpacity, stopOpacity, duration) {

	var speed = Math.round(duration / 100);
	var timer = 0;

	if (startOpacity < stopOpacity){ // fade in

		for (var i=startOpacity; i<=stopOpacity; i++) {
			setTimeout("setOpacity('"+eID+"',"+i+")", timer * speed);
			timer++;
		}
		return;
	}
}
function aparecemento(eID, startOpacity, stopOpacity, duration) {

	var speed = Math.round(duration / 100);
	var timer = 0;

	for (var i=startOpacity; i>=stopOpacity; i--) { // fade out
		setTimeout("setOpacity('"+eID+"',"+i+")", timer * speed);
        timer++;
	}
	return;
}

var desfin = 3;
espera = 15000;

function aparece()
{
	if(ct <= totpic){

		var tempid = "pic"+ct;
		aparecemento(tempid,100.0 , 0.0, 600);
		document.getElementById(tempid).className = "pic";
	
		ct++;
		if(ct == 4){ct = 1;}
		
		document.getElementById("pic"+ct).className = "pic2";
		tempid = "pic"+ct;
		//alert(tempid);
		aparecemente(tempid,0.0 , 100.0, 600);
		
		setTimeout("aparece()", espera);
	}
}