Certain Users Can't Modify Their Signature

[Richie]

Description: Removes The Ability To Modify Signatures Of Certain Users While Still Allowing Them To Edit Everything Else.
Cross Browser?: Yes
Preview: NONE
Placement: Main Footers
<script type="text/javascript"><!--
/* Certain Users Can't Modify Their Signature by Son Of Exodia */
/* This May Be Re-Posted As Long As This Header Stays Intact. */

function nosig(user){
if(document.modifyForm && pb_username==user){
document.modifyForm.signature.parentNode.parentNode.parentNode.style.display="none";
}}
nosig("soe");
nosig("chris");
nosig("rickace");
//--></script>

[iPokemon.php]

Accepted