function externalLinks() { 
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++) {
    var anchor = anchors[i];
    if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
      anchor.target = "_blank";
    }
  }
} 

function mailtoLink() {
  var pageFooterText1 = document.getElementById("pageFooterText1");
  var mailto = document.getElementById("mailto");
  mailto.innerHTML = "<a href=\"mailto:contact@vendeeholidayhome.com\">contact@vendeeholidayhome.com</a>";
}

if (window.addEventListener) {
  window.addEventListener("load", mailtoLink, false);
  window.addEventListener("load", externalLinks, false);
}
else if (window.attachEvent) {
  window.attachEvent('onload', mailtoLink);
  window.attachEvent('onload', externalLinks);
}