function switchBlock(obj) {
	var block = document.getElementById(obj);

	if( block ) {
		block.style.display = (block.style.display.match(/none/) ? 'block' : 'none');
		return true;
	}
	return false;
}

function add_fav() {
	if( window.sidebar || window.external ) {
		var add_fav = document.getElementById('add_fav');
		if( add_fav ) {
			add_fav.href = "javascript:create_fav('" + document.location + "','" + document.title + "')";
			add_fav.title = "Pridaj medzi obľúbené";
			add_fav.innerHTML = "Pridaj medzi obľúbené";
		}
	}
}

function create_fav(url, title) {
	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url,"");
	} else if( window.external ) { // IE Favorite
		window.external.AddFavorite( url, title);
	}
}