No blank display names

[acoolie530]

Name: No blank display names
Compatibility: Firefox/IE
Edit: None
Preview: None
Placement: Main Footers
Features: Users can not have a blank spaces as their display name. Has an alert and sends them to the page for if they inputed the wrong current password

<script>
//No blank display names by acoolie
//This header must stay in tact

if(location.href.match(/action=profile&username=/i)){
document.creator.onsubmit = function(){
if(document.creator.name.value.match(/\s+/i) && !document.creator.name.value.match(/\S/i)){
alert("Please do not use a blank space as your display name")
document.creator.currentpass.value = ""
}}}
</script>