WordPress/wp-admin/js/xfn.js

jQuery(document).ready(function(a){a("#link_rel").prop("readonly",true);a("#linkxfndiv input").bind("click keyup",function(){var c=a("#me").is(":checked"),b="";a("input.valinp").each(function(){if(c){a(this).prop("disabled",true).parent().addClass("disabled")}else{a(this).removeAttr("disabled").parent().removeClass("disabled");if(a(this).is(":checked")&&a(this).val()!=""){b+=a(this).val()+" "}}});a("#link_rel").val((c)?"me":b.substr(0,b.length-1))})});