function setPergamen() {
	document.images['MainImage'].src ="images/logo_pergamen/pod_pergamen.jpg";
}

var banners = new Array('images/fotky_stred/OBR_1.jpg',
		'images/fotky_stred/OBR_2.jpg', 'images/fotky_stred/OBR_3.jpg',
		'images/fotky_stred/OBR_4_1.jpg', 'images/fotky_stred/OBR_4.jpg',
		'images/fotky_stred/OBR_5.jpg', 'images/fotky_stred/OBR_6.jpg',
		'images/fotky_stred/OBR_7.jpg', 'images/fotky_stred/OBR_8.jpg',
		'images/fotky_stred/OBR_9.jpg'

);
var rotateImg = true;

var imgIndex = 0;

function rotateImages() {

	if (!rotateImg)
		return;
	if (!document.images)
		return;
	if (banners != null) {

		document.images['MainImage'].src = banners[imgIndex];

	}
	if (imgIndex < 9) {
		imgIndex = imgIndex + 1;
	} else {
		imgIndex = 0;
	}
	setTimeout('rotateImages()', 6000);
}

function changeLanguage(aLanguage) {

	url = document.location.href;

	xLastIndexOfSlash = url.lastIndexOf('/');
	xLanguage = url.substring(xLastIndexOfSlash - 3, xLastIndexOfSlash + 1);
	if (xLanguage == "/mc/" || xLanguage[0] != "/") {
		xbeginUrl = url.substring(0, xLastIndexOfSlash + 1);
		xLanguage = aLanguage.concat("/");
		xEndUrl = url.substring(xLastIndexOfSlash + 1);
		newUrl = xbeginUrl.concat(xLanguage, xEndUrl);
	} else {
		xbeginUrl = url.substring(0, xLastIndexOfSlash - 2);
		xLanguage = aLanguage.concat("/");
		xEndUrl = url.substring(xLastIndexOfSlash + 1);
		newUrl = xbeginUrl.concat(xLanguage, xEndUrl);

	}

	document.location.href = newUrl;

}

function changeImgOFF(imgName) {
	document.getElementById(imgName).src = document.getElementById(imgName).src.replace("ON.", "OFF.");

}
function changeImgON(imgName) {
	document.getElementById(imgName).src = document.getElementById(imgName).src.replace("OFF.", "ON.");

}