docs: function(src) {
  		var doc = document;
  		this.contentLocation = new gui.URL(doc, src);
  		this.xguest = (function(secured) {
  			if (secured) {
  				return "*";
  			} else if (gui.URL.external(src, doc)) {
  				var url = new gui.URL(doc, src);
  				return url.protocol + "//" + url.host;
  			}
  			return null;
  		}(this._sandboxed()));
  	}