1 diff --git a/packages/jsio.js b/packages/jsio.js
   2 index f5e99b3..87bb01f 100644
   3 --- a/packages/jsio.js
   4 +++ b/packages/jsio.js
   5 @@ -24,6 +24,9 @@
   6  				case 'node':
   7  					ENV = new ENV_node();
   8  					break;
   9 +				case 'jester':
  10 +					ENV = new ENV_jester();
  11 +					break;
  12  				case 'browser':
  13  				default:
  14  					ENV = new ENV_browser();
  15 @@ -39,7 +42,11 @@
  16  		if(!jsio.path.__default__) { jsio.setPath(ENV.getPath()); }
  17  	}
  18  	
  19 -	jsio.setEnv(typeof node !== 'undefined' && typeof process !== 'undefined' && process.version ? 'node' : 'browser');
  20 +	
  21 +	if (typeof jester !== 'undefined'  && jester.magic == 'GNOME JESTER JAVASCRIPT TESTER')
  22 +		jsio.setEnv('jester');
  23 +	else
  24 +		jsio.setEnv(typeof node !== 'undefined' && typeof process !== 'undefined' && process.version ? 'node' : 'browser');
  25  	
  26  	// DONE
  27  	
  28 @@ -54,6 +61,31 @@
  29  	}
  30  	*/
  31  	
  32 +	function ENV_jester() {
  33 +		this.Gio = imports.gi.Gio;
  34 +		this.global = GLOBAL;
  35 +		this.getCwd = function() {return __jester_cwd};
  36 +		this.getPath = function() {return __jester_path};
  37 +		this.eval = function(src, path) {
  38 +			return eval(src);
  39 +		};
  40 +
  41 +		this.findModule = function(possibilities) {
  42 +			for (var i = 0, possible; possible = possibilities[i]; ++i) {
  43 +				var f = this.Gio.file_new_for_path(possible.filePath);
  44 +				var t = f.query_file_type(0, null);
  45 +				if(t == this.Gio.FileType.REGULAR) {
  46 +					var [success, contents, len, etag] = f.load_contents(null);
  47 +					possible.src = contents;
  48 +					return possible;
  49 +				}
  50 +                
  51 +			}
  52 +		};
  53 +        
  54 +		this.log = print;
  55 +	}
  56 +
  57  	function ENV_node() {
  58  		var fs = require('fs');
  59