function orderby(sel) {
  var url = sel.options[sel.selectedIndex].value;
  if (url.indexOf('http') != 0) {
    url = "/hud_homes/" + url;
  }
  location.href = url;
}
function swapbutton(buttonurl) {
  //document.getElementById('licensebutton').setAttribute('src',buttonurl);
  e = document.getElementById('codetocopy');
  var codetocopy = e.value;
  var newcodetocopy = codetocopy.replace(/src=".*?"/, 'src="'+buttonurl+'"');
  e.value = newcodetocopy;  
}