function linkHref(mode){
  switch(mode){
  case "info":
    window.location.href="mailto:info@sitesakamoto.com";
    break;
  case "offer_j":
    window.location.href="mailto:offer-j@sitesakamoto.com";
    break;
  case "offer":
    window.location.href="mailto:offer@sitesakamoto.com";
    break;
  case "commmons":
    window.location.href="http://www.commmons.com/";
    break;
  }

}