var rychlost = 5000;
var bgImg = new Array()
var bgLink = new Array()
var j = 0;
var url = '';
var celkem = 4;

var preLoad = new Array()
for (i = 1; i <= celkem; i++)
{
	preLoad[i] = new Image();
	preLoad[i].src = 'graphic/slide/logo['+i+'].jpg';
}
	
function slides()
{
	j = j + 1;
	pozadi = document.getElementById('slide');
	pozadi.style.backgroundImage = 'url('+preLoad[j].src+')';
	if (j >= celkem) j = 0;
		cekej = setTimeout('slides()', rychlost);
}