/* Skrypt zaklada, ze na stronie znajduje sie hidden iframe z id 'hiddenFrame' pozwalający sterować historią w przeglądarce
 */
var first = "../app/backButton1.html";
var second = "../app/backButton2.html";
var currentIndex = 0;

function bbinitialize() {
	window.hiddenFrame = document.getElementById("hiddenFrame");
	bbloadSite();
}

function bbminorLoadSite() {
	if (currentIndex++ % 2 == 0) {
		window.hiddenFrame.src = second;
	}
}

function bbloadSite() {
	var currentURL = first;
	
	// set up onload listeners differently for IE
	// and other browsers
	if (window.hiddenFrame.readyState) { // IE
		complete = false;
		window.hiddenFrame.onreadystatechange = function() {
			if (window.hiddenFrame.readyState == "complete") {
				window.hiddenFrame.onreadystatechange = null;
				bbminorLoadSite();
			}
		}
	} else {
		window.hiddenFrame.onload = bbminorLoadSite;
	}
	window.hiddenFrame.src = currentURL;
}

// onload="bbinitialize();"
//bbinitialize();