//add event function
function addEvent(obj, evType, fn){ 
  if (obj.addEventListener){ 
    obj.addEventListener(evType, fn, true); 
    return true; 
  } 
  else if (obj.attachEvent){ 
    var r = obj.attachEvent("on"+evType, fn); 
    return r; 
  } 
  else { 
    return false; 
  } 
}

// Find all link elements and add an onfocus attribte and value
function hideFocusBorders(){
  var theahrefs = document.getElementsByTagName("a");
  if (!theahrefs){return;}
  for(var x=0;x!=theahrefs.length;x++){
    theahrefs[x].onfocus = function stopLinkFocus(){this.hideFocus=true;};
  }
}

//event added using the addEvent() function above
addEvent(window, 'load', hideFocusBorders);