var bannerActual = 0;
var ampladaBanner = 645; // Amplada de cada banner
var carruselBanners = null;
var banner_inc = 80;
var banner_step = 30;

var bannerMoventse = false;
function nextBanner()
{
	if(bannerMoventse) return;
	if(!carruselBanners) carruselBanners = document.getElementById("carruselBanners");
	if(!carruselBanners) return;

	bannerMoventse = true;

	if(bannerActual < numBanners-1){
		var act = parseInt(carruselBanners.style.left, 10);
		if(isNaN(act)) act = 0;
		var fi = act - ampladaBanner;
	}
	else fi = 0;

	mouBanner(fi);
}


function mouBanner(fi)
{
	var act = parseInt(carruselBanners.style.left, 10);
	if(isNaN(act)) act = 0;
	if(fi != 0){
		act-= banner_inc;
		if(act < fi) act = fi;
	}
	else{
		act+= banner_inc;
		if(act > fi) act = fi;
	}

	carruselBanners.style.left = act+"px";

	if(act != fi) setTimeout("mouBanner("+fi+")", banner_step);
	else {
		bannerMoventse = false;
		bannerActual = fi == 0 ? 0 : bannerActual+1;
	}

}