var images = Array();
var urls = Array();

images[0] = 'dotpay';
images[1] = 'cashbill';
images[2] = 'krd';
images[3] = 'netsprint';
images[4] = 'onet';
images[5] = 'platnosci';
images[6] = 'seliga';
images[7] = 'wp';

urls[0] = 'http://dotpay.eu';
urls[1] = 'http://cashbill.pl';
urls[2] = 'http://krd.pl';
urls[3] = 'http://netsprint.pl';
urls[4] = 'http://onet.pl';
urls[5] = 'http://platnosci.pl';
urls[6] = 'http://seliga.pl';
urls[7] = 'http://wp.pl';

var currentImage = 0;
var lastImage = images.length;

function slideIn() {
        currentImage++;

        if(currentImage > lastImage-1) {
                currentImage = 0;
        }

        document.getElementById('slider').style.backgroundImage = 'url(html/html/images/partners/' + images[currentImage] + '.png)';
	document.getElementById('sliderLink').href = urls[currentImage];
        $("#slider").effect('slide', {direction: "up"} , 500, timer);
}

function slideOut() {
        $("#slider").effect('slide', {direction: "down", mode: "hide"} , 500, slideIn);
}

function timer() {
        setTimeout('slideOut();', 1500);
}

window.onLoad = timer();