function CreateBookmark(contact, contact_url) 
{
    title = "Avareality.cz - reality z celého Česka";
    if(contact) url = contact_url+ "?kontakt=" + contact;
    else url = contact_url;
	if(window.sidebar) 
    { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url, "");
	} 
    else if(window.external) 
    { // IE Favorite
		window.external.AddFavorite(url, title); 
    }
	else if(window.opera && window.print) 
    { // Opera Hotlist
		return true; 
    }
}