nickjacob

function safe_eval(code, ctx) {
 return (new Function (["window", "undefined"], "try { " + code + " } catch (e){ return e; }"))(ctx); 
}

function restrict (base, perm) {
  var out = {}, k = null,
      READ = 'read',
      WRITE = 'write',
      RW = 'readwrite';