var slideshowSpeed = 3000;
var photos = ["1.jpg","2.jpg","3.jpg","4.jpg","5.jpg","6.jpg","7.jpg","8.jpg","9.jpg"];
$(document).ready(function() {
	var interval;
	var activeContainer = 1;	
	var currentImg = 0;
	var navigate = function() {
		currentImg++;
		if(currentImg == photos.length + 1) {currentImg = 1;}
		var currentContainer = activeContainer;
		if(activeContainer == 1) {activeContainer = 2;} 
							else {activeContainer = 1;}
		showImage(photos[currentImg - 1], currentContainer, activeContainer);
		
	};
	
	var currentZindex = -1;
	var showImage = function(photoObject, currentContainer, activeContainer) {
		currentZindex--;
		$("#header_image" + activeContainer).css({
			"background-image" : "url(obecreka_cz/images/" + photoObject + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		$("#header_image" + currentContainer).fadeOut(2000);
		document.getElementById('header').setAttribute('title',photoObject);
	};
	
	navigate();
	interval = setInterval(function() {navigate();}, slideshowSpeed);
});

function redirect(){
	alert(document.getElementById('header').title);
}