// prida link do oblibenych
function addfav(appurl,appname)
{
	if (document.all) {
		window.external.AddFavorite(appurl,appname);
	}
} 

function centerGraphic() {
	if (document.body.clientWidth < 1000) {
		document.getElementById("all").style.left = "0px";
		document.getElementById("all").style.marginLeft = "0px";
	} else {
		document.getElementById("all").style.left = "50%";
		document.getElementById("all").style.marginLeft = "-500px";
	}

	return 0;
}