var src = "http://triptracker.net/jsmap/images/badge/badge.html?mode=minimap&feed=/trip/2880/georss&href=/trip/2880&title=Cahors+to+Palamos";
function ttBadgeCode() {
  return "<iframe name='ttBadgeFrameName' scrolling='no' frameborder='0' allowTransparency='true' " +
         "src='" + src + "'" +         " style='width: 320px; height: 240px; border: none;" +
         "'></iframe>";
}
document.write(ttBadgeCode());