docs: function(url, base) {
  			if (!url || url.indexOf('://') !== -1) { return url; }
  
  			var anchor = document.createElement('a');
  			anchor.href = (base || location.href);
  
  			var protocol	= anchor.protocol + '//',
  				host		= anchor.host,
  				path		= anchor.pathname,
  				parts		= filter(path.split('/'), function(part) { return part !== ''; });
  
  			each(url.replace(/\?.*/, '').split('/'), function(part, index) {
  				switch(part) {
  					case '..':
  						if (!parts.length) {
  							throw new Error('Path outside of root: ' + url);
  						}
  						parts.length--;
  						break;
  					case '.':	break;
  					default:	parts.push(part); break
  				}
  			});
  			return protocol + host + '/' + parts.join('/');
  		}