function setField(what) {
  if (what.uncheckbox.checked)
    what.sendname.value = '';
    what.sendname.value = '';
    what.sendaddress.value = '';
    what.sendcity.value = '';
    what.sendstate.value = '';
    what.sendzip.value = '';
    what.sendphone.value = '';
    what.sendemailaddress.value = '';
}

function showMe (div, box) {
  var vis = (box.checked) ? "block" : "none";
  document.getElementById(div).style.display = vis;
}

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.className == "external")anchor.target = "_blank"; 
  }
}

window.onload = externalLinks;