var chowaj = 0;
var pokazuj = 0;
var akt = 1;
var max = 6;
var ac = 0;
var canac = true;

function klatka() {
	if(chowaj > 0) {
		var l1 = parseInt($('pimage'+chowaj).style.left);
		var l2 = parseInt($('pinfo'+chowaj).style.left);
		l1 = parseInt(l1 - speed);
		l2 = parseInt(l2 + speed);
		speed += 2;
		$('pimage'+chowaj).style.left = l1 + 'px';
		$('pinfo'+chowaj).style.left = l2 + 'px';
		if(l2 > 600) {
			$('promo'+chowaj).style.display = 'none';
			$('promo'+next).style.display = 'block';
			$('pimage'+next).style.left = '-595px';
			$('pinfo'+next).style.left = '760px';
			chowaj = 0;
			pokazuj = next;
		}
	}
	if(pokazuj > 0) {
		var l1 = parseInt($('pimage'+pokazuj).style.left);
		var l2 = parseInt($('pinfo'+pokazuj).style.left);
		l1 = parseInt(l1 + speed);
		l2 = parseInt(l2 - speed);
		speed -= 1.8;
		if(speed < 1) speed = 1;
		$('pimage'+pokazuj).style.left = l1 + 'px';
		$('pinfo'+pokazuj).style.left = l2 + 'px';
		if(l2 <= 160) {
			akt = pokazuj;
			pokazuj = 0;
		}		
	}
}

function diveffect(nr) {
	if((nr != akt) && (chowaj == 0) && (pokazuj == 0)) {
		speed = 3;
		chowaj = akt;
		next = nr;
		$('pbtn'+chowaj).className = '';
		$('pbtn'+next).className = 'select';
	}
	return false;
}

function autoklatka() {
	if(canac) {
		var klatka = 0;
		ac++;
		if(ac % 2 == 0) {
			klatka = 1;
		}else{
			klatka = (2+parseInt(ac/2)%(max-1));
		}
		diveffect(klatka);
	}
	window.setTimeout('autoklatka()',6000);
}