Selective Custom Avatar if Specified Staff

[Bennett 🚀]

<script type="text/javascript"><!--
/* Allow only certain people to edit the Custom Avatar URL
by iPokemon - Optimized by SubDevo - Open Source
Leave this header in at all times!
*/
var staff_allowed=/^(admin|staff1|staff3)$/i;
if(!pb_username.match(staff_allowed)&&document.modifyForm){
document.modifyForm.avatarurl.disabled="true";
}
//--></script>

Global Footer

You just need to edit this line: var staff_allowed=/^(admin|staff1|staff3)$/i;
Edit the Italics, and to add more, just do this: admin|staff1|staff3|staff12