function setBookmark(url,str){
if(str=='')str=url;
if (document.all)window.external.AddFavorite(url,str);
else alert('Press CTRL and D to add a bookmark to:\n"'+url+'".');
} 

function clearDefault(entry) {
  if (entry.defaultValue==entry.value) entry.value = ""
}

function resetDefault(entry, def) {
	if (entry.defaultValue=="") entry.value=def
}