var Dom = {
  get: function(el) {
    return document.getElementById(el);
  },
  add: function(el, dest) {
    var el = (typeof(el) == 'string') ? this.get(el) : el;
    var dest = (typeof(dest) == 'string') ? this.get(dest) : dest;
    dest.appendChild(el);
  },
  remove: function(el) {
    var el = this.get(el);
    el.parentNode.removeChild(el);
  }
  };